Weather forecast for 10 daysFoster City, MI

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 64°F
  • 37°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 16mphSW 215°
  • Humidity: 46%
  • UV index: 3
  • Sunrise: 7:12 am CDT
  • Sunset: 5:59 pm CDT
  • ▼
Today, on Sunday, October 18, sunshine will take center stage, with just faint traces of clouds.
A wide temperature range is expected, from a high of an enjoyable 64.4°F to a low of a cold 37.4°F.
Today, expect a warmer trend, with a high of 64.4°F more common in September.
Sunrise will be at 7:12 am and sunset at 5:59 pm; the daylight will last for 10h and 47min.

10-day overview

Daily temperatures

Warmest period: Wednesday - Thursday 68°C.
Coldest day: Tuesday 27.10. 55°C.

Chance of precipitation

Highest chance: Sunday 25.10. 21%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 64°F
  • 37°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 16mphSW 215°
  • Humidity: 46%
  • UV index: 3
  • Sunrise: 7:12 am CDT
  • Sunset: 5:59 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 64°F
  • 34°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 7mphNE 37°
  • Humidity: 57%
  • UV index: 3
  • Sunrise: 7:13 am CDT
  • Sunset: 5:58 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 64°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 8mphSE 141°
  • Humidity: 67%
  • UV index: 3
  • Sunrise: 7:14 am CDT
  • Sunset: 5:56 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 68°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 9mphSW 228°
  • Humidity: 63%
  • UV index: 3
  • Sunrise: 7:16 am CDT
  • Sunset: 5:54 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 68°F
  • 37°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 7mphENE 63°
  • Humidity: 67%
  • UV index: 3
  • Sunrise: 7:17 am CDT
  • Sunset: 5:53 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 66°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 10mphSSE 162°
  • Humidity: 66%
  • UV index: 2
  • Sunrise: 7:19 am CDT
  • Sunset: 5:51 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 66°F
  • 46°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0"
  • Wind: 14mphS 183°
  • Humidity: 63%
  • UV index: 2
  • Sunrise: 7:20 am CDT
  • Sunset: 5:49 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 64°F
  • 39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 21%
  • Precipitation: 0"
  • Wind: 10mphWSW 249°
  • Humidity: 61%
  • UV index: 3
  • Sunrise: 7:21 am CDT
  • Sunset: 5:48 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 57°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 18%
  • Precipitation: 0"
  • Wind: 9mphN 353°
  • Humidity: 62%
  • UV index: 2
  • Sunrise: 7:23 am CDT
  • Sunset: 5:46 pm CDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 55°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 17%
  • Precipitation: 0"
  • Wind: 9mphESE 112°
  • Humidity: 68%
  • UV index: 2
  • Sunrise: 7:24 am CDT
  • Sunset: 5:44 pm CDT
  • ▼
Forecasts for the ten-day outlook show that a combination of overcast and clear weather is anticipated.
Rainfall is not predicted in Foster City in the upcoming days.
There will be a considerable variation in temperature throughout the forecast window. Highs will range from 55.4°F to 68°F, while the lowest night temperatures will vary also significantly, as the lowest temperatures will be recorded between 33.8°F and 46.4°F.
The warmest days will be Wednesday and Thursday, with a maximum of 68°F; the coldest day will be next Tuesday, with a maximum of 55.4°F.
Updated: Oct 18, 2026 @ 08:13:51 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, expect plenty of sunshine and only a few scattered clouds.

Today, the highest temperature will be 64.4°F, while the lowest temperature will be 37.4°F.
The highest temperature will be uncommonly higher than the average maximum of 52.7°F in October. The lowest temperature will be in line with the average low of 39.7°F.

On Sunday, in Foster City, sunrise will be at 7:12 am and sunset at 5:59 pm (CDT).

In Foster City, today, there will be 10h and 47min of daylight.