Crestline Weather

TownGreater Los Angeles

Crestline is a Inland Empire destination for comparing Inland Empire heat, wind, cloud, and mountain-gap influences.

71°
😎
Comfort Score
95(A)
Perfect
Weather updated August 18, 2026 at 3:52 AM PDT

Crestline weather at a glance

Crestline is a town at 4,554 feet in Greater Los Angeles. Crestline is a Inland Empire destination for comparing Inland Empire heat, wind, cloud, and mountain-gap influences. Notable features include town, inland-empire, inland-heat, and wind.

Current conditions are 71°F, feeling like 71°F, with 28% humidity, winds near 8 mph, 6% cloud cover, and a 0% chance of precipitation. Warm with clear skies.

The location-specific climate baseline shows an average daily high of 69°F and an average low of 51°F, with about 9.9 hours of sunshine per day and 0.4 hours of morning fog per day. Expected annual precipitation is approximately 23.0 inches.

Current Conditions

Temperature
71°F
Feels like 71°F
Humidity
28%
Wind
8 mph
NW • Gusts 12 mph
Cloud Cover
6%
Precip Chance
0%

Comfort Breakdown

Less comfortableMore comfortable
Temperature100
Wind75
Stars Visible100
Humidity95
Precipitation100

Hourly Forecast

Today

TimeTempComfortAQIWindPrecipConditions
Now71°94 (A-)8 mph0%☀️ Sunny
5am71°81 (B)8 mph0%☁️ Cloudy
6am70°90 (A-)6 mph0% Partly Cloudy
7am71°84 (B)6 mph0%☁️ Cloudy
8am77°83 (B)2 mph0% Partly Cloudy
9am81°77 (B)3 mph0% Partly Cloudy
10am85°70 (B-)4 mph0% Partly Cloudy
11am86°76 (B)10 mph0%☀️ Sunny
12pm87°72 (B-)12 mph0%☀️ Sunny
1pm88°51 (C-)13 mph0%☁️ Cloudy
2pm89°36 (F)14 mph0%☁️ Cloudy
3pm89°39 (F)14 mph0% Partly Cloudy
How to read the Crestline hourly chart

The hourly chart follows the next 48 forecast hours at Crestline. Use the temperature view to see warming and cooling through the day, and the comfort view to see when the combined temperature, wind, clouds, precipitation, and air quality should feel most favorable.

The wind view compares sustained wind with stronger gusts at Crestline. The AQI view uses the current observation for “Now” and modeled AQI-equivalent guidance for later hours when forecast smoke data is available.

Weather Maps

Satellite

GOES-West Infrared

Radar

Precipitation

8 mph
Gusts 12 mph
Wind

Coming soon

About the weather maps for Crestline

Each preview is centered on Crestline, with the red pin marking its approximate location. Satellite imagery provides cloud context, radar shows nearby precipitation, and the fog view shows the marine-layer or low-cloud field when that regional layer is available.

These images cover a wider area than the point forecast, so a nearby cloud or rain band may not be directly over Crestline. Open a preview for the interactive map and its latest timestamp before making a weather-sensitive decision.

7-Day Forecast

DayHigh/LowComfortPrecipConditions
Today89° / 70°75 (B)0%☀️ Sunny
Wed93° / 70°75 (B)1%☀️ Sunny
Thu🏆 Best93° / 66°76 (B)1%☀️ Sunny
Fri92° / 66°76 (B)4%☀️ Sunny
Sat91° / 64°75 (B)4%☀️ Sunny
Sun92° / 64°74 (B-)2%☀️ Sunny
Mon90° / 64°75 (B)4%☀️ Sunny

Best day this week: Thu (Comfort score: 76)

Nearby Temperature Comparison

Conditions at nearby Greater Los Angeles destinations

Tip: Los Angeles temps can vary 20-30°F within a short distance due to microclimates.

Climate Dashboard

Current conditions vs. HRRR rolling destination baseline

Today's High vs Normal
89°Fforecast
4° above normal
Normal: 85°F
Rainfall Year-to-Date
11.2"
19% below average
30-yr avg: 13.8"
Sunny Days
28last 28 days
Right on track
Typical: 28
Foggy Days
0last 28 days
About average
Avg Wind Speed
16.2 mphlast 28 days
2.2 mph windier than baseline
Typical: 14.0 mph
Comfort Score
9328-day avg
On par with typical
Recent baseline: 93
What the Crestline climate comparisons mean

These cards compare recent conditions at Crestline with the available local baseline. Temperature and year-to-date rainfall use long-term normals when available; fog, sunshine, wind, and comfort use the matching recent or modeled baseline identified on each card.

Positive and negative differences describe how Crestline departs from its own usual pattern. They should not be read as a direct comparison with another city or as a forecast beyond the period shown.

Historical Climate Data

Long-term weather patterns and climate data

Data sources: NOAA HRRR rolling destination baseline for recent temperature, precipitation, fog, cloud, wind, humidity, and sunshine signals.

Climate Overview

Based on HRRR rolling destination baseline (2024-07-01 to 2026-06-30)

84
Avg Comfort
68.8°
Avg High
51°
Avg Low
81%
Perfect Days
☀️ Avg Sunshine9.9h/day
🌫️ Avg Fog0.4h/day
💧 Avg Annual Rain23"
🌧️ Rainy Days/yr31 (8%)
🌫️ Foggy Days/yr21
✨ Perfect Days (80+)591

🌟 Best Months to Visit

1. June95
78.9° / 60.9° · ☀️ 12.8h
0 foggy days · 1 rainy days
2. July86
87.7° / 68.5° · ☀️ 12.8h
0 foggy days · 0 rainy days
3. May85
69.6° / 50.7° · ☀️ 11.6h
2 foggy days · 3 rainy days

⚠️ Challenging Months

1. February52
55.5° / 40.3° · ☀️ 7.7h
💧 7" · 5 rainy days · 5 foggy days
2. January53
51.7° / 35.7° · ☀️ 7.9h
💧 2.5" · 4 rainy days · 3 foggy days
3. November64
58.8° / 42.4° · ☀️ 7.2h
💧 2.6" · 4 rainy days · 2 foggy days

Monthly Breakdown

MonthComfortHigh/Low☀️ Sun🌫️ Fog💧 RainPerfect
July 20248992.2° / 72°12.8h0d0"29
August 20249086.9° / 67.1°11.4h0d0"30
September 20248983.5° / 62.2°10.2h1d0.04"26
October 20248978° / 57.7°9.9h0d0.11"30
November 20247957.5° / 39.2°7.5h1d0.44"18
December 20248460.2° / 40.3°7.7h0d0.01"24
January 20257352.2° / 33.8°8.3h3d2.12"12
February 20257655.8° / 40.2°7.5h5d7.7"19
March 20257052.4° / 38.3°8.5h7d6.43"15
April 20258360.1° / 43.8°10.4h4d0.41"23
May 20258970.1° / 51.4°11.4h2d0.55"28
June 20259380.3° / 60.9°12.8h0d0.03"30
July 20259083.1° / 65°12.8h0d0"31
August 20258987.7° / 68.4°11.1h0d0.04"30
September 20259379.8° / 60.7°10.1h0d0.17"29
October 20259269° / 50.7°9.6h1d3.33"29
November 20257460° / 45.7°6.9h3d4.86"20
December 20257655.8° / 42°6.7h2d9.5"21
January 20267451.1° / 37.6°7.5h3d3.14"19
February 20267555.1° / 40.4°8h4d6.57"20
March 20269269° / 50.9°10.4h0d0.06"30
April 20268461° / 43.2°10.5h3d1.36"23
May 20269069° / 49.9°11.8h2d0.08"25
June 20269377.4° / 60.8°12.9h0d0"30
Last updated: 7/24/2026

Climate Trends

Average Temperature by Month

98°F81°F63°F45°F28°FJul '24Aug '24Sep '24Oct '24Nov '24Dec '24Jan '25Feb '25Mar '25Apr '25May '25Jun '25Jul '25Aug '25Sep '25Oct '25Nov '25Dec '25Jan '26Feb '26Mar '26Apr '26May '26Jun '26
Average High
Average Low
About the Crestline climate charts

The temperature chart compares average monthly highs and lows at Crestline, showing both the seasonal cycle and the typical day-to-night range. The comfort chart summarizes how often the combined weather pattern is favorable rather than judging temperature alone.

Precipitation shows the total recorded or modeled rainfall for each month at Crestline. Sunshine compares average bright-sky hours with the daylight available, while fog shows the average number of morning fog or low-cloud hours per day. Switch between the chart tabs to compare the same months across each measure.

Hourly Temperature, Fog, Wind, Cloud Cover, and Solar Radiation Patterns

Average local hour by month from 2016-07-01 to 2026-06-30

How to read the temperature heatmap for Crestline

This heatmap shows how average temperature at Crestline changes by hour and month. Read left to right for the seasons and top to bottom for the time of day; warmer colors identify the usual afternoon peaks and cooler colors show overnight and winter lows.

Each cell combines one month with one local hour. Hover over or focus on a cell for its value and sample coverage; the red marker shows the current month and hour.

How to read the fog heatmap for Crestline

This heatmap shows when fog or low cloud is most likely at Crestline. Darker cells mark month-and-hour combinations with a stronger historical fog signal, which helps separate overnight or morning fog from cloud that tends to linger into the afternoon.

Each cell combines one month with one local hour. Hover over or focus on a cell for its value and sample coverage; the red marker shows the current month and hour.

How to read the wind heatmap for Crestline

This heatmap shows the typical hourly wind pattern at Crestline through the year. It makes recurring afternoon wind, calmer overnight periods, and seasonal changes easier to compare than a single daily wind value.

Each cell combines one month with one local hour. Hover over or focus on a cell for its value and sample coverage; the red marker shows the current month and hour.

How to read the cloud cover heatmap for Crestline

This heatmap shows average cloud cover at Crestline for every month and hour. Use it to see whether cloudiness is mainly an overnight and morning pattern or commonly persists during the part of the day you plan to visit.

Each cell combines one month with one local hour. Hover over or focus on a cell for its value and sample coverage; the red marker shows the current month and hour.

How to read the solar radiation heatmap for Crestline

This heatmap shows the average solar radiation reaching Crestline by month and hour. Brighter cells indicate the strongest typical sun, while muted cells can reflect nighttime, shorter winter days, cloud cover, smoke, or terrain shading.

Each cell combines one month with one local hour. Hover over or focus on a cell for its value and sample coverage; the red marker shows the current month and hour.

Loading interactive climate heatmaps…

Location Details

📍
Coordinates
34.2541, -117.2867
⛰️
Elevation
4554 ft
🏷️
Type
Town
🏷️
Tags
#town#inland-empire#inland-heat#wind
Map
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Get Directions →

Frequently Asked Questions

Everything you need to know about weather and visiting Crestline

What is the weather at Crestline right now?

Current conditions at Crestline are 71°F, feeling like 71°F, with 28% humidity, winds near 8 mph, 6% cloud cover, and a 0% chance of precipitation. Warm with clear skies

What temperatures are typical at Crestline?

The location-specific record for 2024-07-01 through 2026-06-30 shows an average daily high of 69°F and an average low of 51°F at Crestline. These are averages across the year; the monthly climate table on this page shows the warmer and cooler seasons separately.

How much rain does Crestline get?

The location-specific climate baseline estimates about 23.0 inches of precipitation and 31 days with measurable rain in a typical year at Crestline. The monthly breakdown shows when that rain is most likely.

How often is Crestline foggy?

Crestline averages about 0.4 hours of morning fog per day across the location-specific climate baseline, with approximately 21 foggy days in a typical year. Fog varies considerably by season, so check the monthly breakdown and current forecast for visit planning.

What are the best months to visit Crestline for comfortable weather?

Based on the destination's recorded comfort, temperature, sunshine, rain, and fog data, the strongest months are June 2025 (80°F/61°F average high/low and a 93 comfort score), September 2025 (80°F/61°F average high/low and a 93 comfort score), and June 2026 (77°F/61°F average high/low and a 93 comfort score). “Best” depends on the activity, so use the monthly table for the exact tradeoffs.

What kind of destination is Crestline?

Crestline is a town at 4,554 feet. Crestline is a Inland Empire destination for comparing Inland Empire heat, wind, cloud, and mountain-gap influences. Notable features include town, inland-empire, inland-heat, and wind.

💡 Local Tip: Greater Los Angeles weather can change dramatically within short distances and throughout the day. Always check current conditions before visiting Crestline.
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