Weather forecast for tomorrowHealdsburg, CA

Weather forecast for tomorrow

Monday Oct 19, 2026

  • 70°F
  • 43°F
Mostly Cloudy
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
  • ▼
Tomorrow, a low, thick cloud deck is likely to persist.
A daytime temperature reaching up to a pleasant 69.8°F will sharply contrast with a nighttime low of a chilly 42.8°F.
The anticipated top temperature is expected to be slightly cooler than the usual October maximum of 73.8°F.
Sunrise will be at 7:24 am and sunset at 6:27 pm; tomorrow's daylight will last for 11h and 3min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 68°C.
Coldest period: 3 am - 6 am 46°C.

Chance of precipitation

Highest chance: 3 am 11%.

Hourly weather forecast

  • 12 am
  • 50°F
  • Feels like:
    50°F
Mostly Clear
Mostly Clear
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 2mphW 280°
  • Humidity: 94%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 48°F
  • Feels like:
    48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0"
  • Wind: 2mphW 280°
  • Humidity: 98%
  • Pressure: 29.97"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 4 am
  • 46°F
  • Feels like:
    46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0"
  • Wind: 2mphW 280°
  • Humidity: 100%
  • Pressure: 29.94"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
  • 6 am
  • 46°F
  • Feels like:
    46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 2mphW 271°
  • Humidity: 100%
  • Pressure: 29.94"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
Sunrise: 7:24 am
  • 8 am
  • 45°F
  • Feels like:
    45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 2mphW 279°
  • Humidity: 100%
  • Pressure: 29.94"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 10 am
  • 54°F
  • Feels like:
    54°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphWNW 297°
  • Humidity: 72%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 63°F
  • Feels like:
    63°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphWSW 256°
  • Humidity: 52%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 68°F
  • Feels like:
    68°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphSW 230°
  • Humidity: 36%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 68°F
  • Feels like:
    68°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphWSW 243°
  • Humidity: 31%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 64°F
  • Feels like:
    64°F
Cloudy
Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphSW 233°
  • Humidity: 40%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:27 pm
  • 8 pm
  • 57°F
  • Feels like:
    57°F
Cloudy
Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 5mphSW 233°
  • Humidity: 59%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 54°F
  • Feels like:
    54°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 2mphSW 221°
  • Humidity: 72%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Monday, a combination of cloudy and bright weather is forecasted.
The temperature will vary between a minimum of 44.6°F and a maximum of 68°F. The warmest part of the day will be from 2 pm to 5 pm.
The temperature is expected to be a few degrees lower than the average peak in October, which is 73.8°F. The lowest temperature is more alike with November's average minimum of 44.2°F than the usual minimum of 50.4°F in October.
Updated: Oct 18, 2026 @ 07:21:55 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Monday, clouds will blanket the sky, reducing sunshine.

Tomorrow, the highest temperature in Healdsburg will be 69.8°F, while the lowest temperature will be 42.8°F.
The maximum temperature will be a few degrees lower than the average highest temperature of 73.8°F in October. The lowest temperature will be also a couple of degrees lower than the average low of 50.4°F.

On Monday, in Healdsburg, sunrise will be at 7:24 am and sunset at 6:27 pm (PDT).

In Healdsburg, California, tomorrow, there will be 11h and 3min of daylight.