Upland, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Upland, a city in San Bernardino County, California.
This Afternoon
71°F
Mostly Sunny
Mostly sunny, with a high near 71. West wind 5 to 10 mph.
7-day forecast for Upland
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Mostly Sunny | 5 to 10 mph W | 0% |
| Tonight | 52°F | Mostly Clear | 0 to 5 mph N | 0% |
| Wednesday | 72°F | Sunny | 0 to 5 mph SW | 0% |
| Wednesday Night | 55°F | Mostly Clear | 0 to 5 mph N | 0% |
| Thursday | 76°F | Sunny | 0 to 5 mph SE | 0% |
| Thursday Night | 55°F | Mostly Clear | 0 to 15 mph N | 0% |
| Friday | 79°F | Sunny | 0 to 10 mph NE | 0% |
| Friday Night | 57°F | Clear | 0 to 20 mph N | 0% |
| Saturday | 81°F | Sunny | 0 to 10 mph NE | 0% |
| Saturday Night | 59°F | Clear | 0 to 15 mph N | 0% |
| Sunday | 82°F | Sunny | 0 to 10 mph E | 0% |
| Sunday Night | 62°F | Partly Cloudy | 0 to 10 mph N | 0% |
| Monday | 80°F | Mostly Sunny | 0 to 5 mph E | 0% |
| Monday Night | 60°F | Partly Cloudy | 0 to 5 mph N | 1% |
Forecast source: National Weather Service (api.weather.gov) for Upland (34.116, -117.660). Updated through the day.
Growing snapshot for Upland
Last spring frost
Jan 4
First fall frost
Dec 30
Growing season
365 days
Hardiness zone
10a
More local growing data for Upland: nearby ZIP 91786 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Ontario Intl Ap, Ca (4.9 mi from Upland). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.