10-Day Weather Forecast for Foster City (CA)

Six-hourly outlook through Thursday 17 September. Updated every three hours via MET Norway.

Day
Night
23:00
Morning
05:00
Afternoon
11:00
Evening
17:00
Monday
7 Sep
Clear skies
19°C (66°F)
0 mm (0 in)
Hourly ›
Tuesday
8 Sep
Clear skies
17°C (63°F)
0 mm (0 in)
Clear skies
15°C (59°F)
0 mm (0 in)
Partly cloudy
26°C (79°F)
0 mm (0 in)
Partly cloudy
30°C (86°F)
0 mm (0 in)
Hourly ›
Wednesday
9 Sep
Partly cloudy
22°C (72°F)
0 mm (0 in)
Partly cloudy
22°C (72°F)
0 mm (0 in)
Mostly sunny
31°C (88°F)
0 mm (0 in)
Clear skies
32°C (90°F)
0 mm (0 in)
Hourly ›
Thursday
10 Sep
Mostly clear
24°C (75°F)
0 mm (0 in)
Clear skies
20°C (68°F)
0 mm (0 in)
Mostly sunny
28°C (82°F)
0 mm (0 in)
Clear skies
27°C (81°F)
0 mm (0 in)
Hourly ›
Friday
11 Sep
Partly cloudy
18°C (64°F)
0 mm (0 in)
Partly cloudy
15°C (59°F)
0 mm (0 in)
Mostly sunny
22°C (72°F)
0 mm (0 in)
Partly cloudy
21°C (70°F)
0 mm (0 in)
Hourly ›
Saturday
12 Sep
Clear skies
16°C (61°F)
0 mm (0 in)
Mostly sunny
14°C (57°F)
0 mm (0 in)
Clear skies
19°C (66°F)
0 mm (0 in)
Clear skies
19°C (66°F)
0 mm (0 in)
Hourly ›
Sunday
13 Sep
Partly cloudy
15°C (59°F)
0 mm (0 in)
Clear skies
12°C (54°F)
0 mm (0 in)
Partly cloudy
22°C (72°F)
0 mm (0 in)
Clear skies
22°C (72°F)
0 mm (0 in)
Hourly ›
Monday
14 Sep
Partly cloudy
14°C (57°F)
0 mm (0 in)
Partly cloudy
13°C (55°F)
0 mm (0 in)
Clear skies
24°C (75°F)
0 mm (0 in)
Clear skies
26°C (79°F)
0 mm (0 in)
Hourly ›
Tuesday
15 Sep
Mostly clear
15°C (59°F)
0 mm (0 in)
Partly cloudy
14°C (57°F)
0 mm (0 in)
Mostly sunny
20°C (68°F)
0 mm (0 in)
Mostly clear
20°C (68°F)
0 mm (0 in)
Hourly ›
Wednesday
16 Sep
Partly cloudy
15°C (59°F)
0 mm (0 in)
Partly cloudy
15°C (59°F)
0 mm (0 in)
Partly cloudy
19°C (66°F)
0 mm (0 in)
Clear skies
19°C (66°F)
0 mm (0 in)
Hourly ›
Data from MET Norway · Updated every three hours.

What's the weather in Foster City this week?

Today's weather - Monday 7 Sep

This evening, the weather in Foster City will be clear skies, with temperatures around 19°C (66°F), dropping to 17°C (63°F) overnight.

Tomorrow's weather - Tuesday 8 Sep

On Tuesday, Foster City will be partly cloudy. Expect highs of a warm 30°C (86°F) and lows of around 15°C (59°F).

10-Day Weather Forecast

Over the next 10 days, temperatures in Foster City will be will get warmer, maximum temperatures reach 32°C (90°F) on Wednesday, with average daytime highs of 25°C (77°F) and nighttime lows of 16°C (61°F) over this period. Compared to typical September conditions, these temperatures are typical. There will be plenty of sunshine throughout this time. Precipitation levels will be much less than usual (versus normal September rainfall), with mostly dry conditions. Wind conditions will be generally calm.

Weather Forecast FAQ for Foster City

When will be the warmest day next week?

The warmest day is expected to be Wednesday with a high of 32°C (90°F).

When will be the coldest day?

The coldest day is forecasted for Sunday with a low of 12°C (54°F).

Will it rain next week in Foster City?

No significant rainfall is currently expected during the next 10 days.

How much rainfall is expected next week?

A total of 0 mm (0 in) of rain is forecasted for the 10-day period.

What will be the temperature range next week?

Temperatures will range from 12°C (54°F) to 32°C (90°F).

More about Foster City

Explore the full Foster City climate overview with monthly averages, or check rainfall data and temperature by month.

Foster City weather by month

Browse monthly averages for Foster City: climate by month with temperature, rainfall and sunshine.

Travel inspiration

Need travel inspiration? Check out our bucket list articles and be inspired.