Fontana, California Weather Forecast
Today in Fontana: slight rain with a high near 72°F and a low around 61°F. Rain chance 73%. Best chance of rain is Monday at 54%. Highs run 61 to 84°F through Saturday.
Forecast updated 7:05 PM PDT, Oct 11
Active Weather Alerts
7-Day Forecast for Fontana
Today 10/11
72°/61°
73%
Mon 10/12
61°/55°
54%
Tue 10/13
68°/53°
2%
Wed 10/14
76°/54°
0%
Thu 10/15
80°/60°
0%
Fri 10/16
83°/64°
0%
Sat 10/17
84°/64°
0%
Next 24 Hours
| Now | 9 PM | 10 PM | 11 PM | Mon12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | 10 AM | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM | 7 PM | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sky |  |  | | | | | | | | | | | | | | |  | | | | | | | |
| Temp | 63° | 62° | 61° | 61° | 60° | 60° | 59° | 59° | 59° | 59° | 58° | 58° | 58° | 59° | 58° | 58° | 59° | 60° | 60° | 61° | 61° | 60° | 59° | 58° |
| Rain | 12% | 24% | 27% | 38% | 44% | 54% | 42% | 35% | 36% | 47% | 39% | 35% | 30% | 31% | 26% | 23% | 21% | 20% | 16% | 19% | 12% | 14% | 17% | 11% |
| Wind | SW 8 | S 9 | S 13 | S 16 | SSW 17 | SW 16 | SW 14 | SW 11 | SW 10 | SW 9 | WSW 8 | SW 7 | SW 7 | SSW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 8 | SW 8 | SW 8 | WSW 8 | SW 6 | SW 4 |
Growing Conditions
Growing degree days
4,547
since Apr 1, base 50°F
Rain, last 30 days
0.06 in
model analysis
Rain, year to date
12.49 in
since Jan 1
2-inch soil temperature
80°F
yesterday, daily average
Reference ET, last 7 days
1.58 in
FAO-56 grass reference
Through Oct 10. Season totals use model analysis for this point and update every morning.
Soil, ET and spray tools for Fontana →
Current Stats & Observations
NWS Forecast
About Fontana Weather
Fontana sits at about 1,220 feet above sea level in San Bernardino County, California. About 214,547 people live in the Fontana area. Official forecasts and warnings for the area come from the National Weather Service SGX office, and the nearest NEXRAD radar site is KSOX. The city is in USDA plant hardiness zone 10a, where the coldest winter night typically falls between 30 to 35°F. Freezing temperatures are rare here.
Nearby Forecasts
Rialto, CA
Rancho Cucamonga, CA
Jurupa Valley, CA
Colton, CA
Ontario, CA
San Bernardino, CA
Upland, CA
Riverside, CA
Largest Cities in California
Los Angeles, CA
San Francisco, CA
San Diego, CA
Riverside, CA
Sacramento, CA
San Jose, CA
Fresno, CA
Concord, CA
Mission Viejo, CA
Bakersfield, CA
All California forecasts (193) →
All states →
Interactive forecast tools →