Weather forecast for 10 daysCalistoga, CA

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 81°F
  • 46°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphSW 226°
  • Humidity: 42%
  • UV index: 5
  • Sunrise: 7:22 am PDT
  • Sunset: 6:28 pm PDT
  • ▼
On Sunday, October 18, conditions will remain bright with clear skies.
The day's temperature range will span from a high of a temperate 80.6°F to a minimum of a brisk 46.4°F.
The maximum heat index, which combines relative humidity and air temperature, is estimated at 80.6°F.
Today, climate comparisons show a temperature closer to September's 84.4°F than October's 74.7°F.
Sunrise will be at 7:22 am and sunset at 6:28 pm; the daylight will last for 11h and 5min.

10-day overview

Daily temperatures

Warmest day: today 81°C.
Minimum temperature: 68°C.

Chance of precipitation

Highest chance: Wednesday 50%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 81°F
  • 46°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphSW 226°
  • Humidity: 42%
  • UV index: 5
  • Sunrise: 7:22 am PDT
  • Sunset: 6:28 pm PDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 68°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 21%
  • Precipitation: 0"
  • Wind: 9mphWSW 239°
  • Humidity: 62%
  • UV index: 5
  • Sunrise: 7:23 am PDT
  • Sunset: 6:26 pm PDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 70°F
  • 50°F
Cloudy
Cloudy
  • Precip. probability: 12%
  • Precipitation: 0.12"
  • Wind: 5mphE 96°
  • Humidity: 59%
  • UV index: 3
  • Sunrise: 7:24 am PDT
  • Sunset: 6:25 pm PDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 68°F
  • 48°F
Showers
Showers
  • Precip. probability: 50%
  • Precipitation: 0.12"
  • Wind: 4mphSE 145°
  • Humidity: 70%
  • UV index: 2
  • Sunrise: 7:25 am PDT
  • Sunset: 6:23 pm PDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 70°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 7mphSW 221°
  • Humidity: 74%
  • UV index: 4
  • Sunrise: 7:26 am PDT
  • Sunset: 6:22 pm PDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 75°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0"
  • Wind: 6mphE 94°
  • Humidity: 63%
  • UV index: 4
  • Sunrise: 7:27 am PDT
  • Sunset: 6:21 pm PDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 73°F
  • 45°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0.04"
  • Wind: 7mphSSW 196°
  • Humidity: 57%
  • UV index: 4
  • Sunrise: 7:28 am PDT
  • Sunset: 6:20 pm PDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 70°F
  • 43°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 8mphWSW 240°
  • Humidity: 54%
  • UV index: 4
  • Sunrise: 7:29 am PDT
  • Sunset: 6:18 pm PDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 70°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 21%
  • Precipitation: 0"
  • Wind: 6mphS 179°
  • Humidity: 57%
  • UV index: 4
  • Sunrise: 7:30 am PDT
  • Sunset: 6:17 pm PDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 72°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 13%
  • Precipitation: 0"
  • Wind: 6mphS 172°
  • Humidity: 55%
  • UV index: 4
  • Sunrise: 7:32 am PDT
  • Sunset: 6:16 pm PDT
  • ▼
During the ten-day period, cloud-filled, clear and showery weather is anticipated.
With minimal precipitation of 0.12", rainfall is expected on Tuesday and Wednesday.
Expect a substantial fluctuation in daytime highs in the next ten days. Maximum temperatures are forecasted between 68°F and 80.6°F, while the low temperature range extends from 41°F to 50°F.
Today is the warmest day, with a maximum temperature of 80.6°F; the coldest days will be Monday and Wednesday, with a maximum of 68°F.
Updated: Oct 18, 2026 @ 13:18:28 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, bright and sunny weather is expected.

Today, the highest temperature will be 80.6°F, while the lowest temperature will be 46.4°F. The maximum heat index, which reflects the perceived temperature due to humidity levels, is estimated at 80.6°F.
The highest temperature will be slightly warmer than the average maximum of 74.7°F in October. The lowest temperature today will be also a couple of degrees lower than the average low temperature.

On Sunday, in Calistoga, sunrise will be at 7:22 am and sunset at 6:28 pm (PDT).

Today, the daylight will last for 11h and 5min.