Foster City Water Temperature
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Foster City is a city close to San Francisco Bay.
September is the month with the highest water temperature at 59.5°F / 15.3°C.
The coldest month is April with an average water temperature of 53.2°F / 11.8°C.
March is the driest at 0in / 0mm and February the wettest month with 0.4in / 10.2mm.
With an average air temperature of 64°F / 17.8°C, September is the warmest month in a year. January is the coldest with 49.6°F / 9.8°C average air temperature.
The Climate is described as temperate climate with warm and dry summer. Best time to Visit would be in June, July, August, September.
The coldest month is April with an average water temperature of 53.2°F / 11.8°C.
March is the driest at 0in / 0mm and February the wettest month with 0.4in / 10.2mm.
With an average air temperature of 64°F / 17.8°C, September is the warmest month in a year. January is the coldest with 49.6°F / 9.8°C average air temperature.
The Climate is described as temperate climate with warm and dry summer. Best time to Visit would be in June, July, August, September.
Foster City Summary
| Description | Value |
|---|---|
| Current water temperature | / |
| Warmest Month Water Temperature: | September with 59.5°F / 15.3°C |
| Coldest Month Water Temperature: | April with 53.2°F / 11.8°C |
| Warmest Month Air Temperature: | September with 64°F / 17.8°C |
| Coldest Month Air Temperature: | January with 49.6°F / 9.8°C |
| Wettest Month: | February with 0.4in / 10.2mm |
| Driest Month: | March with 0in / 0mm |
| Highest Humidity | January with 81.3% |
| Lowest Humidity | June with 69.8% |
| Best Time to Visit: | June, July, August, September |
| Climate Classification | temperate climate with warm and dry summer |
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Foster City water temperature by month
San Francisco Bay water temperature by month
| Max. Water
Temperature (°F) |
ø. Water
Temperature (°F) |
Min. Water
Temperature (°F) |
|
|---|---|---|---|
|
January |
54.9 | 54.5 | 54.3 |
|
February |
54.5 | 54 | 53.6 |
|
March |
54.1 | 54 | 53.6 |
|
April |
53.8 | 53.4 | 52.9 |
|
May |
54.3 | 53.8 | 53.2 |
|
June |
56.8 | 55 | 54.1 |
|
July |
58.3 | 57.4 | 56.3 |
|
August |
59.7 | 59 | 57.9 |
|
September |
59.7 | 59.4 | 59 |
|
October |
59.2 | 58.3 | 57.6 |
|
November |
57.9 | 57 | 55.9 |
|
December |
56.1 | 55.6 | 54.9 |
San Francisco Bay water temperature by month
| Max. Water
Temperature (°C) |
ø. Water
Temperature (°C) |
Min. Water
Temperature (°C) |
|
|---|---|---|---|
|
January |
12.7 | 12.5 | 12.4 |
|
February |
12.5 | 12.2 | 12 |
|
March |
12.3 | 12.2 | 12 |
|
April |
12.1 | 11.9 | 11.6 |
|
May |
12.4 | 12.1 | 11.8 |
|
June |
13.8 | 12.8 | 12.3 |
|
July |
14.6 | 14.1 | 13.5 |
|
August |
15.4 | 15 | 14.4 |
|
September |
15.4 | 15.2 | 15 |
|
October |
15.1 | 14.6 | 14.2 |
|
November |
14.4 | 13.9 | 13.3 |
|
December |
13.4 | 13.1 | 12.7 |
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Foster City weather today & 14-day weather forecast
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Foster City weather by month / climate table
Max. Temperature °F | ø. Temperature °F | Min. Temperature (°F) |
Precip. (in) |
Rainy Days (d) |
Rel. Humidity (%) |
|
|---|---|---|---|---|---|---|
|
January |
59 | 49.6 | 42.3 | 0.2 | 0 | 81.3% |
|
February |
59.7 | 50.7 | 43.3 | 0.4 | 0 | 79.7% |
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March |
64.4 | 52.9 | 45 | 0 | 0 | 78.3% |
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April |
66.4 | 54.3 | 46.6 | 0 | 0 | 74.4% |
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May |
68.7 | 57.4 | 49.6 | 0 | 0 | 72.3% |
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June |
75 | 61.2 | 52 | 0 | 0 | 69.8% |
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July |
75.6 | 63.1 | 55 | 0 | 0 | 72.2% |
|
August |
77.4 | 63.5 | 56.5 | 0 | 0 | 73.2% |
|
September |
78.3 | 64 | 55.9 | 0 | 0 | 70.4% |
|
October |
74.8 | 61.2 | 52.7 | 0 | 0 | 70.1% |
|
November |
68 | 55.2 | 46.2 | 0 | 0 | 76.9% |
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December |
59.2 | 50.4 | 43 | 0 | 0 | 80.3% |
Max. Temperature °C | ø. Temperature °C | Min. Temperature (°C) |
Precip. (mm) |
Rainy Days (d) |
Rel. Humidity (%) |
|
|---|---|---|---|---|---|---|
|
January |
15 | 9.8 | 5.7 | 4.8 | 0 | 81.3% |
|
February |
15.4 | 10.4 | 6.3 | 10.2 | 0 | 79.7% |
|
March |
18 | 11.6 | 7.2 | 0 | 0 | 78.3% |
|
April |
19.1 | 12.4 | 8.1 | 0 | 0 | 74.4% |
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May |
20.4 | 14.1 | 9.8 | 0 | 0 | 72.3% |
|
June |
23.9 | 16.2 | 11.1 | 0 | 0 | 69.8% |
|
July |
24.2 | 17.3 | 12.8 | 0 | 0 | 72.2% |
|
August |
25.2 | 17.5 | 13.6 | 0 | 0 | 73.2% |
|
September |
25.7 | 17.8 | 13.3 | 0 | 0 | 70.4% |
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October |
23.8 | 16.2 | 11.5 | 0 | 0 | 70.1% |
|
November |
20 | 12.9 | 7.9 | 0 | 0 | 76.9% |
|
December |
15.1 | 10.2 | 6.1 | 0 | 0 | 80.3% |
March is the most draught at 0in / 0mm and February the month with the most rain around 0.4in / 10.2mm.
The avg. temperature is around 64°F / 17.8°C, September is the hottest month in a year. January is the coolest with 49.6°F / 9.8°C avg. temperature.
Activities & POI in Foster City
| Type of Activity | List |
|---|---|
| Golf Course | Mariners Point Golf Center |
