Weather forecast for tomorrowNapa Junction, CA
Weather forecast for tomorrow
Monday Oct 19, 2026
- 66°F
- 48°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 15mphWSW 245°
- Humidity: 66%
- UV index: 5
- Sunrise: 7:22 am PDT
- Sunset: 6:25 pm PDT
- details ▼
Tomorrow, on Monday, intermittent cloud cover is expected, allowing for some sunshine.
The temperature is anticipated to vary between a maximum of a breezy 66.2°F and a minimum of a chilly 48.2°F.
The forecast high is lower and more aligned with what is typical in November than in October.
Sunrise will be at 7:22 am and sunset at 6:25 pm; tomorrow's daylight will last for 11h and 4min.
The temperature is anticipated to vary between a maximum of a breezy 66.2°F and a minimum of a chilly 48.2°F.
The forecast high is lower and more aligned with what is typical in November than in October.
Sunrise will be at 7:22 am and sunset at 6:25 pm; tomorrow's daylight will last for 11h and 4min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 64°C.
Coldest hour: 6 am 50°C.
Coldest hour: 6 am 50°C.
Chance of precipitation
Highest chance: 12 am 15%.
Hourly weather forecast
- 12 am
- 52°F
- Feels like:50°F
Clear
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 9mphWSW 241°
- Humidity: 93%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 52°F
- Feels like:48°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 8mphWSW 247°
- Humidity: 93%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 50°F
- Feels like:48°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 7mphW 262°
- Humidity: 92%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 50°F
- Feels like:46°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 7mphW 270°
- Humidity: 91%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:22 am
- 8 am
- 50°F
- Feels like:46°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 7mphW 276°
- Humidity: 91%
- Pressure: 29.97"Hg
- Visibility: 6mi
- UV index: 0
- details ▼
- 10 am
- 55°F
- Feels like:54°F
Mostly Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 9mphWSW 258°
- Humidity: 78%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 61°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphWSW 238°
- Humidity: 57%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 63°F
- Feels like:63°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 14mphSW 229°
- Humidity: 51%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 64°F
- Feels like:63°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 15mphSW 229°
- Humidity: 52%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 59°F
- Feels like:57°F
Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 12mphSW 232°
- Humidity: 63%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:25 pm
- 8 pm
- 55°F
- Feels like:54°F
Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 9mphSW 233°
- Humidity: 73%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 54°F
- Feels like:52°F
Cloudy
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 7mphSW 229°
- Humidity: 79%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Monday, a combination of cloudy and sun-filled weather is anticipated.
The temperature will vary between a minimum of 50°F and a maximum of 64.4°F. The warmest part of the day will be at 3 pm and 4 pm.
The maximum is expected to resemble November's average high of 63.1°F rather than October's. Forecasts indicate a night temperature a few degrees lower than the usual October minimum of 53.2°F.
The temperature will vary between a minimum of 50°F and a maximum of 64.4°F. The warmest part of the day will be at 3 pm and 4 pm.
The maximum is expected to resemble November's average high of 63.1°F rather than October's. Forecasts indicate a night temperature a few degrees lower than the usual October minimum of 53.2°F.
Updated: Oct 18, 2026 @ 07:11:55 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
Tomorrow, in Napa Junction, occasional clouds will pass by, but expect bright spells.
Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 48.2°F.
The maximum temperature will be moderately lower than the average highest temperature of 73.6°F in October. The lowest temperature will be also relatively lower than the average low of 53.2°F.
The maximum temperature will be moderately lower than the average highest temperature of 73.6°F in October. The lowest temperature will be also relatively lower than the average low of 53.2°F.
On Monday, in Napa Junction, sunrise will be at 7:22 am and sunset at 6:25 pm (PDT).
Tomorrow in Napa Junction, the daylight will last for 11h and 4min.
