Weather forecast for 10 daysMount Hamilton, CA

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 81°F
  • 46°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphW 270°
  • Humidity: 18%
  • UV index: 5
  • Sunrise: 7:16 am PDT
  • Sunset: 6:26 pm PDT
  • ▼
Today, sun-filled conditions are expected to persist.
A stark contrast will be evident between the daytime peak temperature of a temperate 80.6°F and the nighttime low of a chilly 46.4°F.
Today, expect conditions that are warmer than normal, with a temperature that reflects September's typical maximum of 74.1°F.
Sunrise was at 7:16 am and sunset will be at 6:26 pm; the daylight will last for 11h and 10min.

Sunday Oct 18, 2026

  • 72°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphWSW 253°
  • Humidity: 33%
  • UV index: 5
  • Sunrise: 7:17 am PDT
  • Sunset: 6:25 pm PDT
  • ▼
Tomorrow, on Sunday, uninterrupted sunshine is also anticipated.
Temperature is predicted to hit a high of a pleasant 71.6°F during the day, dipping to a low of an icy 37.4°F at night.
The expected high of 71.6°F appears seasonally off, better matching September's typical values.
Sunrise will be at 7:17 am and sunset at 6:25 pm; tomorrow's daylight will last for 11h and 8min.

10-day overview

Daily temperatures

Warmest day: today 81°C.
Coldest day: Thursday 55°C.

Chance of precipitation

Highest chance: Wednesday 49%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 81°F
  • 46°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphW 270°
  • Humidity: 18%
  • UV index: 5
  • Sunrise: 7:16 am PDT
  • Sunset: 6:26 pm PDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 72°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphWSW 253°
  • Humidity: 33%
  • UV index: 5
  • Sunrise: 7:17 am PDT
  • Sunset: 6:25 pm PDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 59°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 12mphWNW 287°
  • Humidity: 54%
  • UV index: 5
  • Sunrise: 7:18 am PDT
  • Sunset: 6:24 pm PDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 63°F
  • 43°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0.08"
  • Wind: 9mphSSW 201°
  • Humidity: 52%
  • UV index: 3
  • Sunrise: 7:19 am PDT
  • Sunset: 6:22 pm PDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 59°F
  • 43°F
Showers
Showers
  • Precip. probability: 49%
  • Precipitation: 0.2"
  • Wind: 9mphNNE 32°
  • Humidity: 60%
  • UV index: 3
  • Sunrise: 7:20 am PDT
  • Sunset: 6:21 pm PDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 55°F
  • 41°F
Showers
Showers
  • Precip. probability: 41%
  • Precipitation: 0.04"
  • Wind: 12mphWNW 288°
  • Humidity: 73%
  • UV index: 4
  • Sunrise: 7:21 am PDT
  • Sunset: 6:20 pm PDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 59°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 11mphWNW 302°
  • Humidity: 62%
  • UV index: 5
  • Sunrise: 7:22 am PDT
  • Sunset: 6:19 pm PDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 63°F
  • 39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 10mphWNW 299°
  • Humidity: 53%
  • UV index: 5
  • Sunrise: 7:23 am PDT
  • Sunset: 6:17 pm PDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 61°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 17%
  • Precipitation: 0"
  • Wind: 11mphWSW 242°
  • Humidity: 56%
  • UV index: 4
  • Sunrise: 7:24 am PDT
  • Sunset: 6:16 pm PDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 59°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0"
  • Wind: 11mphNW 315°
  • Humidity: 47%
  • UV index: 4
  • Sunrise: 7:25 am PDT
  • Sunset: 6:15 pm PDT
  • ▼
For the next ten days, a combination of gloomy, sunny and damp weather is expected.
Rainfall is forecasted for Tuesday through Thursday.
There will be a considerable variation in temperature in the coming days. The maximum temperature will vary between 55.4°F and 80.6°F, while the lowest temperature will be between 37.4°F and 46.4°F.
With a high of 80.6°F, today is the warmest day; expect the coldest day on Thursday with a high of 55.4°F.
Updated: Oct 17, 2026 @ 20:27:13 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, in Mount Hamilton, clear skies and sunshine are anticipated.

Today, the maximum temperature will be 80.6°F, while the minimum temperature will be 46.4°F.
The maximum temperature will be significantly higher than the average highest temperature of 65.3°F in October. The lowest temperature today will be a couple of degrees lower than the average low temperature.

On Saturday, in Mount Hamilton, sunrise was at 7:16 am and sunset will be at 6:26 pm (PDT).

Today in Mount Hamilton, the daylight will last for 11h and 10min.

Tomorrow, the forecast calls for abundant sunshine.

Tomorrow, the highest temperature will be 71.6°F, while the lowest temperature will be 37.4°F.
The maximum temperature will be a few degrees higher than the average highest temperature of 65.3°F in October. The lowest temperature will be uncommonly lower than the average low of 50.7°F.

On Sunday, in Mount Hamilton, sunrise will be at 7:17 am and sunset at 6:25 pm (PDT).

Tomorrow, the daylight will last for 11h and 8min.