10-Day Weather Forecast for Foster City (CA)

Six-hourly outlook through Wednesday 16 September. Updated every three hours via MET Norway.

Day
Night
23:00
Morning
05:00
Afternoon
11:00
Evening
17:00
Sunday
6 Sep
Clear skies
20°C (68°F)
0 mm (0 in)
Hourly ›
Monday
7 Sep
Fog
14°C (57°F)
0 mm (0 in)
Partly cloudy
12°C (54°F)
0 mm (0 in)
Clear skies
22°C (72°F)
0 mm (0 in)
Clear skies
25°C (77°F)
0 mm (0 in)
Hourly ›
Tuesday
8 Sep
Clear skies
17°C (63°F)
0 mm (0 in)
Clear skies
14°C (57°F)
0 mm (0 in)
Partly cloudy
25°C (77°F)
0 mm (0 in)
Partly cloudy
29°C (84°F)
0 mm (0 in)
Hourly ›
Wednesday
9 Sep
Partly cloudy
19°C (66°F)
0 mm (0 in)
Rain
19°C (66°F)
1 mm (0.04 in)
Clear skies
30°C (86°F)
0 mm (0 in)
Clear skies
33°C (91°F)
0 mm (0 in)
Hourly ›
Thursday
10 Sep
Clear skies
25°C (77°F)
0 mm (0 in)
Clear skies
21°C (70°F)
0 mm (0 in)
Partly cloudy
29°C (84°F)
0 mm (0 in)
Partly cloudy
29°C (84°F)
0 mm (0 in)
Hourly ›
Friday
11 Sep
Mostly clear
19°C (66°F)
0 mm (0 in)
Clear skies
15°C (59°F)
0 mm (0 in)
Clear skies
23°C (73°F)
0 mm (0 in)
Clear skies
21°C (70°F)
0 mm (0 in)
Hourly ›
Saturday
12 Sep
Partly cloudy
15°C (59°F)
0 mm (0 in)
Partly cloudy
14°C (57°F)
0 mm (0 in)
Clear skies
19°C (66°F)
0 mm (0 in)
Clear skies
20°C (68°F)
0 mm (0 in)
Hourly ›
Sunday
13 Sep
Clear skies
14°C (57°F)
0 mm (0 in)
Partly cloudy
12°C (54°F)
0 mm (0 in)
Cloudy
22°C (72°F)
0 mm (0 in)
Partly cloudy
24°C (75°F)
0 mm (0 in)
Hourly ›
Monday
14 Sep
Clear skies
15°C (59°F)
0 mm (0 in)
Mostly sunny
12°C (54°F)
0 mm (0 in)
Clear skies
23°C (73°F)
0 mm (0 in)
Clear skies
24°C (75°F)
0 mm (0 in)
Hourly ›
Tuesday
15 Sep
Mostly clear
15°C (59°F)
0 mm (0 in)
Cloudy
13°C (55°F)
0 mm (0 in)
Clear skies
22°C (72°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 - Sunday 6 Sep

This evening, the weather in Foster City will be clear skies, with temperatures around 20°C (68°F), dropping to 14°C (57°F) overnight.

Tomorrow's weather - Monday 7 Sep

On Monday, Foster City will be clear skies. Expect highs of a warm 25°C (77°F) and lows of around 12°C (54°F).

10-Day Weather Forecast

Over the next 10 days, temperatures in Foster City will be will reach 33°C (91°F) on Wednesday before declining again, 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 more than usual (versus normal September rainfall), with mostly dry conditions.

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 33°C (91°F).

When will be the coldest day?

The coldest day is forecasted for Monday 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 1 mm (0.04 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 33°C (91°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.

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