Weather.st

Foster City Weather

Coastal Flood Advisory — Coastal Flood Advisory issued November 7 at 8:09PM PST until November 13 at 4:00PM PST by NWS San Francisco CA
13°
Mainly clear
Foster City, California, United States
Feels like 12° · Local time 23:45
1° warmer than this time yesterday

Hour by hour

No rain expected in the next 24 hours.

Now
13°
💧0%
12 AM
13°
💧0%
1 AM
12°
💧0%
2 AM
13°
💧0%
3 AM
13°
💧0%
4 AM
14°
💧0%
5 AM
14°
💧0%
6 AM
14°
💧0%
7 AM
13°
💧0%
8 AM
15°
💧0%
9 AM
16°
💧0%
10 AM
17°
💧0%
11 AM
18°
💧0%
12 PM
19°
💧0%
1 PM
20°
💧0%
2 PM
21°
💧0%
3 PM
21°
💧0%
4 PM
20°
💧0%
5 PM
18°
💧0%
6 PM
17°
💧0%
7 PM
16°
💧0%
8 PM
15°
💧0%
9 PM
14°
💧0%
10 PM
14°
💧0%

Rain radar

Loading radar…

Foster City 16-day weather forecast

Today
Overcast · 💧0%
9°21°
Sunday, Nov 8
Overcast · 💧0%
12°21°
Monday, Nov 9
Overcast · 💧0%
12°23°
Tuesday, Nov 10
Clear sky · 💧0%
15°23°
Wednesday, Nov 11
Overcast · 💧1%
15°25°
Thursday, Nov 12
Overcast · 💧12%
16°25°
Friday, Nov 13
Overcast · 💧19%
17°23°
Saturday, Nov 14
Overcast · 💧55%
16°24°
Sunday, Nov 15
Showers · 💧69%
13°18°
Monday, Nov 16
Overcast · 💧57%
12°17°
Tuesday, Nov 17
Showers · 💧36%
13°17°
Wednesday, Nov 18
Showers · 💧40%
12°17°
Thursday, Nov 19
Overcast · 💧43%
11°17°
Friday, Nov 20
Light drizzle · 💧24%
12°18°
Saturday, Nov 21
Showers · 💧16%
12°16°
Sunday, Nov 22
Overcast · 💧19%
12°19°

Today's details

Feels like
12°
Humidity
85%
Dew point
10°
Wind
7 km/h S
Gusts
7 km/h
Pressure
1020 hPa · steady
UV index now
0 · max 4
Visibility
13 km
Sunrise / sunset
06:40 / 17:04
Moon
Waning Crescent · 6% lit
Hour-by-hour detail — next 48 hours
TimeTempRainAmountHumidityWind
Now13°0%0.0 mm87%5 km/h
12 AM 11-0813°0%0.0 mm85%8 km/h
1 AM 11-0812°0%0.0 mm87%7 km/h
2 AM 11-0813°0%0.0 mm91%5 km/h
3 AM 11-0813°0%0.0 mm93%5 km/h
4 AM 11-0814°0%0.0 mm94%6 km/h
5 AM 11-0814°0%0.0 mm92%6 km/h
6 AM 11-0814°0%0.0 mm92%5 km/h
7 AM 11-0813°0%0.0 mm94%5 km/h
8 AM 11-0815°0%0.0 mm92%3 km/h
9 AM 11-0816°0%0.0 mm87%2 km/h
10 AM 11-0817°0%0.0 mm82%4 km/h
11 AM 11-0818°0%0.0 mm76%5 km/h
12 PM 11-0819°0%0.0 mm71%6 km/h
1 PM 11-0820°0%0.0 mm67%8 km/h
2 PM 11-0821°0%0.0 mm64%10 km/h
3 PM 11-0821°0%0.0 mm65%12 km/h
4 PM 11-0820°0%0.0 mm66%13 km/h
5 PM 11-0818°0%0.0 mm73%12 km/h
6 PM 11-0817°0%0.0 mm74%9 km/h
7 PM 11-0816°0%0.0 mm68%11 km/h
8 PM 11-0815°0%0.0 mm64%9 km/h
9 PM 11-0814°0%0.0 mm63%6 km/h
10 PM 11-0814°0%0.0 mm64%6 km/h
11 PM 11-0813°0%0.0 mm66%6 km/h
12 AM 11-0913°0%0.0 mm63%7 km/h
1 AM 11-0913°0%0.0 mm61%4 km/h
2 AM 11-0912°0%0.0 mm61%4 km/h
3 AM 11-0912°0%0.0 mm60%3 km/h
4 AM 11-0912°0%0.0 mm60%2 km/h
5 AM 11-0912°0%0.0 mm59%2 km/h
6 AM 11-0912°0%0.0 mm60%2 km/h
7 AM 11-0912°0%0.0 mm60%2 km/h
8 AM 11-0913°0%0.0 mm63%3 km/h
9 AM 11-0917°0%0.0 mm58%2 km/h
10 AM 11-0919°0%0.0 mm52%3 km/h
11 AM 11-0921°0%0.0 mm39%7 km/h
12 PM 11-0921°0%0.0 mm36%10 km/h
1 PM 11-0922°0%0.0 mm31%12 km/h
2 PM 11-0923°0%0.0 mm33%13 km/h
3 PM 11-0923°0%0.0 mm43%13 km/h
4 PM 11-0921°0%0.0 mm53%13 km/h
5 PM 11-0919°0%0.0 mm69%12 km/h
6 PM 11-0918°0%0.0 mm75%8 km/h
7 PM 11-0918°0%0.0 mm79%8 km/h
8 PM 11-0918°0%0.0 mm81%7 km/h
9 PM 11-0917°0%0.0 mm83%6 km/h
10 PM 11-0917°0%0.0 mm85%4 km/h

Air quality in Foster City

65
US AQI — Moderate
PM2.5 8.7 µg/m³ · PM10 11.1 µg/m³ · O₃ 52 µg/m³

Ocean & waves

Wave height
2.2 m
Wave period
12 s
Wave direction
W

Frequently asked questions

What is the weather in Foster City today?

Mainly clear, currently 13° (feels like 12°), with a high of 21° and a low of 9°. No rain expected in the next 24 hours.

What is the air quality in Foster City?

The air quality in Foster City is moderate (US AQI 65). PM2.5 is 8.7 µg/m³ and PM10 is 11.1 µg/m³.

Nearby cities

Belmont · 4 kmSan Mateo · 5 kmSan Carlos · 6 kmRedwood City · 9 kmBurlingame · 9 kmMillbrae · 11 kmMenlo Park · 14 kmSan Bruno · 15 km