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San Jacinto, CA Weather

Live radar, hourly and 7-day forecast, and National Weather Service alerts for San Jacinto, Riverside County, California.

Updated Jul 29, 2026, 2:05 PM local time · Radar refreshes every 5 minutes

☀️
San Jacinto
Clear
99°F
Feels like 97°F
Wind 9 mph
Humidity 11%
Cloud cover 0%
UV index 9
Alerts 2

Active alerts (2)

Extreme Heat WarningSevere
San Bernardino and Riverside County Valleys-The Inland Empire
Until Jul 30, 2026, 5:15 AM
Full details 
* WHAT...Dangerously hot conditions with temperatures up to 110
expected.

* WHERE...San Bernardino and Riverside County Valleys-The Inland
Empire.

* WHEN...From 10 AM Thursday to 8 PM PDT Sunday.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Extreme Heat WarningSevere
Riverside County Mountains
Until Jul 30, 2026, 5:15 AM
Full details 
* WHAT...Dangerously hot conditions with high temperatures in the
mid 90s to 105 below 7000 feet expected.

* WHERE...Riverside County Mountains.

* WHEN...From 10 AM Thursday to 8 PM PDT Sunday.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

San Jacinto weather radar

Light Heavy

Next 24 hours

Now
☀️
99°F
 
3 PM
☀️
99°F
 
4 PM
☀️
98°F
 
5 PM
☀️
96°F
 
6 PM
☀️
92°F
 
7 PM
☀️
87°F
 
8 PM
☀️
81°F
 
9 PM
☀️
77°F
 
10 PM
☀️
74°F
 
11 PM
☀️
71°F
 
12 AM
☀️
69°F
 
1 AM
☀️
68°F
 
2 AM
☀️
66°F
 
3 AM
☀️
65°F
 
4 AM
☀️
64°F
 
5 AM
☀️
62°F
 
6 AM
☀️
61°F
 
7 AM
☀️
64°F
 
8 AM
☀️
70°F
 
9 AM
☀️
77°F
 
10 AM
☀️
85°F
 
11 AM
☀️
91°F
 
12 PM
☀️
96°F
 
1 PM
☀️
101°F
 

7-day forecast

Today
Jul 29
🌫️
99°F
64°F
Thu
Jul 30
☀️
105°F
61°F
Fri
Jul 31
☁️
110°F
64°F
Sat
Aug 1
☁️
111°F
72°F
Sun
Aug 2
☁️
108°F
75°F
Mon
Aug 3
⛅
110°F
72°F
Tue
Aug 4
🌤️
107°F
68°F

Weather near San Jacinto

3 mi Hemet, CA3 mi East Hemet, CA10 mi Beaumont, CA11 mi Menifee, CA11 mi Banning, CA16 mi Perris, CA18 mi Yucaipa, CA19 mi Moreno Valley, CA
Alerts are relayed from the National Weather Service and may lag the official source. In a life-threatening situation always follow weather.gov and local emergency broadcasts.

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