San Gabriel Valley Weather
Weather and climate details for destinations in San Gabriel Valley. Across the 32 places we track here, summer afternoons range from 82°F at South Gate to 89°F at Glendora, a 7°F spread.
Standouts
Warmest summer afternoons
89°F
Glendora has the warmest summer afternoons, averaging 89°F at the warmest hour.
Coolest summer afternoons
82°F
South Gate has the coolest summer afternoons, averaging 82°F.
Foggiest summer mornings
23%
South Gate is the foggiest, with fog in about 23% of summer morning hours.
Windiest summer afternoons
9 mph
Rowland Heights is the windiest on summer afternoons, averaging 9 mph.
Compare all 32 places
| Place | Summer afternoons | Winter lows | Summer morning fog | Summer afternoon wind |
|---|---|---|---|---|
| GlendoraTown · 932 ft | 89°F | 50°F | 4% | 8 mph |
| IrwindaleTown · 440 ft | 89°F | 48°F | 5% | 8 mph |
| ArcadiaTown · 453 ft | 89°F | 48°F | 8% | 7 mph |
| West CovinaTown · 453 ft | 89°F | 50°F | 3% | 8 mph |
| PomonaTown · 850 ft | 89°F | 46°F | 3% | 8 mph |
| AzusaTown · 643 ft | 89°F | 51°F | 10% | 8 mph |
| San DimasTown · 965 ft | 89°F | 48°F | 4% | 8 mph |
| West Puente ValleyTown · 328 ft | 89°F | 48°F | 7% | 7 mph |
| El MonteTown · 299 ft | 88°F | 48°F | 5% | 8 mph |
| San GabrielTown · 407 ft | 87°F | 48°F | 8% | 8 mph |
| WalnutTown · 873 ft | 87°F | 48°F | 8% | 8 mph |
| Diamond BarTown · 1,001 ft | 87°F | 50°F | 9% | 9 mph |
| PasadenaTown · 925 ft | 87°F | 49°F | 9% | 6 mph |
| MonroviaTown · 1,060 ft | 86°F | 51°F | 13% | 6 mph |
| AlhambraTown · 466 ft | 86°F | 48°F | 9% | 8 mph |
| MontebelloTown · 207 ft | 86°F | 49°F | 15% | 7 mph |
| AltadenaTown · 1,414 ft | 86°F | 50°F | 14% | 6 mph |
| Monterey ParkTown · 535 ft | 86°F | 48°F | 14% | 8 mph |
| El SerenoNeighborhood · 472 ft | 85°F | 49°F | 10% | 8 mph |
| Highland ParkNeighborhood · 561 ft | 85°F | 50°F | 11% | 7 mph |
| La Cañada FlintridgeTown · 1,430 ft | 85°F | 50°F | 12% | 7 mph |
| Rowland HeightsTown · 679 ft | 85°F | 49°F | 17% | 9 mph |
| East Los AngelesTown · 285 ft | 85°F | 49°F | 15% | 8 mph |
| WhittierTown · 348 ft | 85°F | 51°F | 20% | 8 mph |
| BreaTown · 584 ft | 85°F | 51°F | 16% | 9 mph |
| Eagle RockNeighborhood · 571 ft | 85°F | 50°F | 8% | 7 mph |
| East WhittierTown · 243 ft | 85°F | 50°F | 19% | 7 mph |
| La Habra HeightsTown · 656 ft | 84°F | 51°F | 19% | 8 mph |
| DowneyTown · 125 ft | 84°F | 50°F | 22% | 7 mph |
| Boyle HeightsNeighborhood · 341 ft | 84°F | 50°F | 15% | 8 mph |
| NorwalkTown · 95 ft | 84°F | 49°F | 23% | 7 mph |
| South GateTown · 115 ft | 82°F | 50°F | 23% | 8 mph |
Summer afternoons, fog, and wind are June to August averages from NOAA’s HRRR model, hour by hour. Fog is the share of hours from 6 to 10 AM with fog. Winter lows are December to February averages.