Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
1st frost of fall is coming for the Northeast, Midwest. Click for the temp forecast. Chevron right
Downpours to drench Southeast, threaten weekend sports, activities. Click for more. Chevron right

Spring Valley, CA

99°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Spring Valley

California

99°
No results found.
Try searching for a city, zip code or point of interest.
Get Premium+
Create Your Account Unlock extended daily and hourly forecasts — all with your free account.
Let's Go Chevron right
Have an account already? Log In
settings
Help
Spring Valley, CA Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps
News

News & Features

Astronomy

Business

Climate

Health

Recreation

Sports

Travel
For Business

Warnings

Data Suite

Forensics

Advertising

Superior Accuracy™

Video

Winter Center
Today Hourly

10-Day

 Radar MinuteCast® Monthly Air Quality Health & Activities
3
Extreme Heat Warning

Unlock extended 90-day forecasts

Activate Your Premium+ Subscription

Chevron right

October 3 - October 17

Sat 10/3

100° /71°
0%
Sweltering heat with sizzling sunshine; danger of dehydration and heatstroke if outside for extended periods of time
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday
alerts

Wind Advisory

6:00 AM Saturday - 6:00 PM Saturday

RealFeel®102°

RealFeel Shade™97°

Max UV Index6.0 (High)

WindE 8 mph

Sun 10/4

98° /71°
0%
Sizzling sunshine and sweltering heat; gusty winds, low humidity and dry brush will result in an elevated wildfire risk
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

RealFeel®101°

RealFeel Shade™95°

Max UV Index6.0 (High)

WindSSE 7 mph

Mon 10/5

99° /72°
1%
Sizzling sunshine and very hot; danger of dehydration and heatstroke if outside for extended periods of time
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

RealFeel®102°

RealFeel Shade™96°

Max UV Index5.0 (Moderate)

WindSSW 7 mph

Tue 10/6

97° /71°
1%
Sizzling sunshine and very hot; caution advised if outside for extended periods of time
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

RealFeel®99°

RealFeel Shade™94°

Max UV Index5.0 (Moderate)

WindNW 6 mph

Wed 10/7

94° /69°
2%
Hot with plenty of sunshine; caution advised if outside for extended periods of time
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

RealFeel®97°

RealFeel Shade™91°

Max UV Index5.0 (Moderate)

WindWNW 6 mph

Thu 10/8

93° /65°
3%
Sunny and toasty conditions
alerts

Extreme Heat Warning

10:00 AM Friday - 8:00 PM Thursday

RealFeel®96°

RealFeel Shade™90°

Max UV Index5.0 (Moderate)

WindNW 6 mph

Fri 10/9

89° /68°
3%
Partly sunny and very warm

RealFeel®93°

RealFeel Shade™87°

Max UV Index5.0 (Moderate)

WindWNW 5 mph

Sat 10/10

86° /64°
1%
Sun through high clouds and warm

RealFeel®87°

RealFeel Shade™85°

Max UV Index2.0 (Low)

WindWSW 4 mph

Sun 10/11

84° /62°
4%
Sunny

RealFeel®84°

RealFeel Shade™81°

Max UV Index5.0 (Moderate)

WindSSW 7 mph

Mon 10/12

82° /60°
56%
Cloudy with a bit of rain

RealFeel®81°

RealFeel Shade™81°

Max UV Index1.0 (Low)

WindSSW 8 mph

Total Hours of Precipitation3.5

Total Hours of Rain3.5

Tue 10/13

81° /61°
0%
Mostly sunny

RealFeel®86°

RealFeel Shade™79°

Max UV Index5.0 (Moderate)

WindN 4 mph

Wed 10/14

82° /61°
0%
Plenty of sun

RealFeel®84°

RealFeel Shade™79°

Max UV Index5.0 (Moderate)

WindWNW 5 mph

Thu 10/15

80° /57°
0%
Plenty of sun

RealFeel®84°

RealFeel Shade™78°

Max UV Index5.0 (Moderate)

WindW 4 mph

Fri 10/16

77° /56°
10%
Mostly sunny

RealFeel®81°

RealFeel Shade™75°

Max UV Index5.0 (Moderate)

WindN 2 mph

Sat 10/17

79° /61°
5%
Less humid with plenty of sunshine

RealFeel®83°

RealFeel Shade™78°

Max UV Index5.0 (Moderate)

WindNNE 2 mph

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Flooding rain to soak Southeast as storms spread toward East Coast

16 minutes ago

Severe Weather

500 tornadoes: A storm-chasing milestone 30 years in the making

1 day ago

Weather News

Coldest air of the season to bring frost, freeze risk to Northeast, Gr...

2 hours ago

Severe Weather

Flood rescues mount as downpours shatter Nebraska town rainfall record

1 day ago

Weather Forecasts

Summerlike heat grips L.A., San Diego: When will it end?

23 minutes ago

 More Stories

Featured Stories

Weather News

Fall foliage update: Peak colors on full display in Vermont, New York

1 day ago

Weather News

Daylight Saving Time 2026: When do clocks fall back?

1 day ago

Weather News

King tides flood South Florida streets, disrupt power at condos

1 day ago

Astronomy

October stargazing: Best time to see Saturn, meteors from Halley's Com...

2 days ago

Astronomy

Happy New Year, Mars! Red Planet begins its 39th year

2 days ago
World North America United States California Spring Valley

Weather Near Spring Valley:

  • Chula Vista, CA
  • Oceanside, CA
  • San Diego, CA
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
© 2026 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved.
Terms of Use | Privacy Policy | Cookie Policy | About Your Privacy Do Not Sell or Share My Personal Information | Data Sources

...

...

...