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: 47%
  • UV index: 3
  • Sunrise: 7:12 am CDT
  • Sunset: 5:59 pm CDT
  • ▼
On Sunday, October 18, sunshine will dominate, with only occasional cloud cover.
The highest daytime temperature will touch an enjoyable 64.4°F, creating a significant contrast with the predicted nighttime low of a wintry 37.4°F.
Today, the maximum temperature of 64.4°F will resemble September's climate more than October's.
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

Maximum temperature: 68°C.
Coldest period: Monday - Tuesday 59°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: 47%
  • 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: 7mphNNE 31°
  • Humidity: 59%
  • UV index: 3
  • Sunrise: 7:13 am CDT
  • Sunset: 5:58 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 64°F
  • 39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 19%
  • Precipitation: 0"
  • Wind: 8mphSE 141°
  • Humidity: 68%
  • UV index: 3
  • Sunrise: 7:14 am CDT
  • Sunset: 5:56 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 68°F
  • 39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 9mphSW 220°
  • Humidity: 64%
  • UV index: 3
  • Sunrise: 7:16 am CDT
  • Sunset: 5:54 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 66°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 6mphENE 61°
  • 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 161°
  • Humidity: 69%
  • UV index: 3
  • Sunrise: 7:19 am CDT
  • Sunset: 5:51 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 68°F
  • 46°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 14mphS 179°
  • Humidity: 65%
  • UV index: 2
  • Sunrise: 7:20 am CDT
  • Sunset: 5:49 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 66°F
  • 39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 21%
  • Precipitation: 0"
  • Wind: 10mphWSW 240°
  • Humidity: 59%
  • UV index: 3
  • Sunrise: 7:21 am CDT
  • Sunset: 5:48 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 59°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 14%
  • Precipitation: 0"
  • Wind: 8mphNNW 348°
  • Humidity: 63%
  • UV index: 2
  • Sunrise: 7:23 am CDT
  • Sunset: 5:46 pm CDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 59°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0"
  • Wind: 9mphSE 145°
  • Humidity: 66%
  • UV index: 2
  • Sunrise: 7:24 am CDT
  • Sunset: 5:44 pm CDT
  • ▼
Ten-day trends indicate that a combination of cloudy and bright weather is anticipated.
Rainfall is not forecasted in Foster City in the upcoming period.
In the coming days, the highest temperature will vary between 59°F and 68°F, while the nightly low temperatures will show a considerable swing, as nighttime lows are forecast to fall between 33.8°F and 46.4°F.
The warmest days will be Wednesday and Saturday, with a maximum of 68°F; the coldest days will be next Monday and Tuesday, with a maximum of 59°F.
Updated: Oct 18, 2026 @ 06:14:48 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, in Foster City, a crisp, sunny atmosphere is likely.

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

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

Today, the daylight will last for 10h and 47min.