Claremont, CA Weather & Growing Conditions
This Afternoon
85°F
Sunny
Sunny, with a high near 85. West southwest wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 85°F | Sunny | 5 to 10 mph WSW | 0% |
| Tonight | 58°F | Partly Cloudy | 5 mph W | 0% |
| Sunday | 83°F | Mostly Sunny | 5 to 10 mph WSW | 0% |
| Sunday Night | 56°F | Partly Cloudy | 5 to 10 mph SW | 3% |
| Monday | 79°F | Mostly Sunny | 5 to 10 mph SW | 3% |
| Monday Night | 55°F | Mostly Clear | 0 to 10 mph WSW | 0% |
| Tuesday | 80°F | Sunny | 0 to 10 mph SW | 0% |
| Tuesday Night | 61°F | Clear | 0 to 10 mph NNW | 0% |
| Wednesday | 89°F | Sunny | 0 to 10 mph W | 0% |
| Wednesday Night | 64°F | Clear | 0 to 10 mph NW | 1% |
| Thursday | 91°F | Sunny | 5 to 10 mph WSW | 1% |
| Thursday Night | 65°F | Mostly Clear | 0 to 10 mph W | 1% |
| Friday | 89°F | Sunny | 0 to 10 mph WSW | 3% |
| Friday Night | 65°F | Mostly Clear | 0 to 10 mph WSW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Claremont, CA
Last spring frost
Jan 8
First fall frost
Dec 28
Growing season
354 days
Hardiness zone
10a
Explore more for Claremont, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Pomona/Fairplex, Ca (4.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.