Outdoor conditions in

Foster City

California
Now
  1. 58°Sunny0% rain70% humidityGusts 6 mph
  2. 60°Sunny0% rain67% humidityGusts 8 mph
  3. 61°Sunny0% rain64% humidityGusts 10 mph
  4. 62°Sunny0% rain67% humidityGusts 13 mph
  5. 64°Sunny0% rain64% humidityGusts 14 mph
  6. 66°Sunny0% rain60% humidityGusts 14 mph
  7. 67°Sunny0% rain56% humidityGusts 13 mph
  8. 70°Sunny0% rain52% humidityGusts 14 mph
  9. 70°Sunny0% rain48% humidityGusts 15 mph
  10. 69°Clear0% rain52% humidityGusts 16 mph
  11. 68°Clear0% rain56% humidityGusts 15 mph
  12. 65°Clear0% rain58% humidityGusts 13 mph
  13. 64°Clear0% rain57% humidityGusts 9 mph
  14. 64°Clear0% rain58% humidityGusts 8 mph
  15. 63°Clear0% rain58% humidityGusts 5 mph
  16. 62°Clear0% rain60% humidityGusts 3 mph
  17. 62°Clear0% rain60% humidityGusts 2 mph
  18. 61°Clear0% rain60% humidityGusts 3 mph
  19. 61°Clear0% rain59% humidityGusts 5 mph
  20. 60°Clear0% rain58% humidityGusts 5 mph
  21. 60°Mostly Clear0% rain58% humidityGusts 7 mph
  22. 60°Sunny0% rain60% humidityGusts 7 mph
  23. 60°Sunny0% rain58% humidityGusts 7 mph
  24. 60°Sunny0% rain60% humidityGusts 9 mph
Extra care for

A little farther out

The next five days

Today

Today looks fairly quiet.

Rain
0%
Humidity
48–72%
Wind
16 mph
Fri

Friday looks fairly quiet.

Rain
0%
Humidity
45–60%
Wind
15 mph
Sat

Saturday looks fairly quiet.

Rain
0%
Humidity
55–76%
Wind
17 mph
Sun

Sunday looks breezy.

Rain
0%
Humidity
76–95%
Wind
26 mph
Mon

Monday looks breezy.

Rain
8%
Humidity
73–88%
Wind
36 mph
  1. 70° / 56°Today looks fairly quiet.0% rain · Humidity 48–72% · Wind 16 mph
  2. 72° / 60°Friday looks fairly quiet.0% rain · Humidity 45–60% · Wind 15 mph
  3. 70° / 61°Saturday looks fairly quiet.0% rain · Humidity 55–76% · Wind 17 mph
  4. 65° / 58°Sunday looks breezy.0% rain · Humidity 76–95% · Wind 26 mph
  5. 63° / 55°Monday looks breezy.8% rain · Humidity 73–88% · Wind 36 mph

Environmental watch

Air quality + smoke

Air quality

Redwood City area · Updated Thu 9:26 AM
41GoodUS AQI

Good through 12 PM.

Sky check

No plume detected overhead

Satellite view · Updated Thu 5:45 AM

Air near ground41 · Good US AQI

Rain, in motion · Past four hours

Foster City radar

Ready when you areSee what is moving toward Foster City.

Watch the last four hours of rain, then search any nearby trail, lake, or address.

View the official forecast ↗

Outdoor fire check

Thinking about a backyard fire?

Weather is less concerning around 9 AM–12 PM.

Humidity stays higher and winds stay lighter for at least three hours.

Next 12 hoursChoose a time to see what is driving the concern.
Selected timeNowLower weather concern

Humidity is 70% with light wind and gusts below 7 mph.

Humidity
70%
Wind
5 mph
Gusts
6 mph

Check local rules. Weather is only part of the decision. Check city, county, and land-manager fire restrictions before lighting any outdoor fire.

Nearby regional view

Explore Oakland

About 14 miles away, the Oakland hub looks more deeply at Oakland, CA. It reflects that wider area rather than Foster City’s exact conditions.

About these readingsSources and local limits

Weather

Forecasts, alerts, and radar come from NOAA and the National Weather Service.

Air quality

This reading describes Redwood City area, about 6 miles away. Conditions can differ at this exact spot.

Smoke

Satellite imagery shows smoke overhead. It cannot tell us how much smoke has reached breathing level.

This page represents Foster City, CA, so conditions can vary from street to street. Environmental data: AirNow · participating air agencies · preliminary real-time US AQI · NOAA Hazard Mapping System · satellite-observed smoke.