Weather forecast for 10 daysHealdsburg, CA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 82°F
- 45°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 9mphSSW 199°
- Humidity: 49%
- UV index: 5
- Sunrise: 7:23 am PDT
- Sunset: 6:29 pm PDT
- details ▼
Today, on Sunday, October 18, skies will stay clear and sunny.
The peak daytime temperature will touch a moderately hot 82.4°F, while the nighttime temperature will descend to a chilly 44.6°F.
The maximum heat index, which modifies the air temperature to account for humidity, is computed to be 82.4°F.
A high of 82.4°F is expected, which resembles September's climate average of 82.6°F more than October's 73.8°F.
Sunrise will be at 7:23 am and sunset at 6:29 pm; the daylight will last for 11h and 5min.
The peak daytime temperature will touch a moderately hot 82.4°F, while the nighttime temperature will descend to a chilly 44.6°F.
The maximum heat index, which modifies the air temperature to account for humidity, is computed to be 82.4°F.
A high of 82.4°F is expected, which resembles September's climate average of 82.6°F more than October's 73.8°F.
Sunrise will be at 7:23 am and sunset at 6:29 pm; the daylight will last for 11h and 5min.
10-day overview
Daily temperatures
Warmest day: today 82°C.
Minimum temperature: 70°C.
Minimum temperature: 70°C.
Chance of precipitation
Highest chance: Wednesday 37%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 82°F
- 45°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 9mphSSW 199°
- Humidity: 49%
- UV index: 5
- Sunrise: 7:23 am PDT
- Sunset: 6:29 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 70°F
- 43°F
Mostly Cloudy
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 8mphWSW 254°
- Humidity: 57%
- UV index: 5
- Sunrise: 7:24 am PDT
- Sunset: 6:27 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 72°F
- 46°F
Mostly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 6mphSSE 168°
- Humidity: 61%
- UV index: 3
- Sunrise: 7:25 am PDT
- Sunset: 6:26 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 70°F
- 46°F
AM Showers
- Precip. probability: 37%
- Precipitation: 0.04"
- Wind: 5mphS 175°
- Humidity: 69%
- UV index: 3
- Sunrise: 7:27 am PDT
- Sunset: 6:25 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 72°F
- 43°F
AM Showers
- Precip. probability: 30%
- Precipitation: 0.2"
- Wind: 7mphSW 222°
- Humidity: 73%
- UV index: 4
- Sunrise: 7:28 am PDT
- Sunset: 6:23 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 75°F
- 41°F
Sunny
- Precip. probability: 11%
- Precipitation: 0.04"
- Wind: 7mphSW 231°
- Humidity: 64%
- UV index: 4
- Sunrise: 7:29 am PDT
- Sunset: 6:22 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 75°F
- 43°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 8mphSSW 202°
- Humidity: 58%
- UV index: 4
- Sunrise: 7:30 am PDT
- Sunset: 6:21 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 73°F
- 43°F
Mostly Sunny
- Precip. probability: 17%
- Precipitation: 0"
- Wind: 8mphSW 216°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:31 am PDT
- Sunset: 6:19 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 73°F
- 41°F
Partly Cloudy
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 8mphS 191°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:32 am PDT
- Sunset: 6:18 pm PDT
- details ▼
- Tuesday
- Oct 27, 2026
- 72°F
- 41°F
Partly Cloudy
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 7mphSSW 193°
- Humidity: 58%
- UV index: 4
- Sunrise: 7:33 am PDT
- Sunset: 6:17 pm PDT
- details ▼
Looking ahead, conditions suggest a period of cloud-filled, dry and sunny and wet weather is predicted.
Rainfall is expected on Wednesday through Friday.
Noticeable swings in temperature are expected across the forecast period. Maximum temperatures are forecasted between 69.8°F and 82.4°F, while the lowest nighttime temperatures will be relatively consistent, as the minimum temperature is expected to range between 41°F and 46.4°F.
Today is the warmest day, with a maximum temperature of 82.4°F; the coldest days will be Monday and Wednesday, with a maximum of 69.8°F.
Rainfall is expected on Wednesday through Friday.
Noticeable swings in temperature are expected across the forecast period. Maximum temperatures are forecasted between 69.8°F and 82.4°F, while the lowest nighttime temperatures will be relatively consistent, as the minimum temperature is expected to range between 41°F and 46.4°F.
Today is the warmest day, with a maximum temperature of 82.4°F; the coldest days will be Monday and Wednesday, with a maximum of 69.8°F.
Updated: Oct 18, 2026 @ 07:21:55 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Sunday, sunshine is forecasted under mostly clear skies.
Today, the highest temperature will be 82.4°F, while the lowest temperature will be 44.6°F. The maximum heat index, which combines relative humidity and air temperature, is computed to be 82.4°F.
Today, the maximum temperature will be moderately higher than the average highest temperature in October. Today, the lowest temperature will be also relatively lower than the average low temperature.
Today, the maximum temperature will be moderately higher than the average highest temperature in October. Today, the lowest temperature will be also relatively lower than the average low temperature.
On Sunday, in Healdsburg, sunrise will be at 7:23 am and sunset at 6:29 pm (PDT).
In Healdsburg, today, there will be 11h and 5min of daylight.
