Upland, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Upland, a city in San Bernardino County, California.
Today
93°F
Sunny
Sunny, with a high near 93. Southwest wind 0 to 15 mph, with gusts as high as 25 mph.
7-day forecast for Upland
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 93°F | Sunny | 0 to 15 mph SW | 0% |
| Tonight | 67°F | Mostly Clear | 0 to 15 mph NW | 0% |
| Wednesday | 93°F | Sunny | 0 to 15 mph W | 0% |
| Wednesday Night | 68°F | Mostly Clear | 0 to 15 mph W | 0% |
| Thursday | 95°F | Sunny | 0 to 10 mph SW | 2% |
| Thursday Night | 69°F | Mostly Clear | 0 to 10 mph W | 2% |
| Friday | 95°F | Sunny | 0 to 10 mph SW | 0% |
| Friday Night | 69°F | Mostly Clear | 0 to 10 mph SW | 0% |
| Saturday | 97°F | Sunny | 0 to 10 mph SW | 0% |
| Saturday Night | 69°F | Mostly Clear | 0 to 10 mph SW | 0% |
| Sunday | 96°F | Sunny | 0 to 10 mph SW | 1% |
| Sunday Night | 68°F | Mostly Clear | 0 to 10 mph SW | 1% |
| Monday | 92°F | Sunny | 0 to 10 mph SW | 2% |
| Monday Night | 66°F | Mostly Clear | 0 to 10 mph SW | 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 Aug 4, 2026.