Weather forecast for 10 daysNapa Junction, CA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 73°F
- 48°F
Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 15mphWSW 240°
- Humidity: 69%
- UV index: 5
- Sunrise: 7:21 am PDT
- Sunset: 6:27 pm PDT
- details ▼
Today, in Napa Junction, sunny and dry conditions are anticipated.
The maximum temperature will be a warm 73.4°F, while the minimum forecasted temperature is a brisk 48.2°F.
Today, expect the temperature to remain near October's average maximum of 73.6°F.
Sunrise will be at 7:21 am and sunset at 6:27 pm; the daylight will last for 11h and 6min.
The maximum temperature will be a warm 73.4°F, while the minimum forecasted temperature is a brisk 48.2°F.
Today, expect the temperature to remain near October's average maximum of 73.6°F.
Sunrise will be at 7:21 am and sunset at 6:27 pm; the daylight will last for 11h and 6min.
10-day overview
Daily temperatures
Warmest day: today 73°C.
Coldest day: Wednesday 64°C.
Coldest day: Wednesday 64°C.
Chance of precipitation
Highest chance: Wednesday 52%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 73°F
- 48°F
Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 15mphWSW 240°
- Humidity: 69%
- UV index: 5
- Sunrise: 7:21 am PDT
- Sunset: 6:27 pm PDT
- details ▼
- 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 ▼
- Tuesday
- Oct 20, 2026
- 68°F
- 50°F
Mostly Cloudy
- Precip. probability: 17%
- Precipitation: 0"
- Wind: 7mphSSW 209°
- Humidity: 68%
- UV index: 3
- Sunrise: 7:23 am PDT
- Sunset: 6:24 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 64°F
- 50°F
Showers
- Precip. probability: 52%
- Precipitation: 0.12"
- Wind: 7mphSW 229°
- Humidity: 81%
- UV index: 2
- Sunrise: 7:24 am PDT
- Sunset: 6:23 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 66°F
- 48°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0.16"
- Wind: 11mphWSW 241°
- Humidity: 86%
- UV index: 4
- Sunrise: 7:25 am PDT
- Sunset: 6:21 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 70°F
- 45°F
Partly Cloudy
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 9mphWSW 239°
- Humidity: 76%
- UV index: 4
- Sunrise: 7:26 am PDT
- Sunset: 6:20 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 70°F
- 46°F
Partly Cloudy
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 10mphSW 225°
- Humidity: 67%
- UV index: 4
- Sunrise: 7:27 am PDT
- Sunset: 6:19 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 68°F
- 45°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 11mphWSW 239°
- Humidity: 65%
- UV index: 4
- Sunrise: 7:28 am PDT
- Sunset: 6:17 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 66°F
- 45°F
Partly Cloudy
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 9mphSW 222°
- Humidity: 66%
- UV index: 4
- Sunrise: 7:29 am PDT
- Sunset: 6:16 pm PDT
- details ▼
- Tuesday
- Oct 27, 2026
- 66°F
- 43°F
Partly Cloudy
- Precip. probability: 13%
- Precipitation: 0"
- Wind: 9mphSW 220°
- Humidity: 68%
- UV index: 4
- Sunrise: 7:30 am PDT
- Sunset: 6:15 pm PDT
- details ▼
Looking ahead, conditions suggest a period of primarily overcast and occasionally sun-filled and showery weather is predicted.
Rainfall is expected on Wednesday and Thursday.
In the upcoming days, the maximum temperature will range between 64.4°F and 73.4°F, while the lowest temperature will be between 42.8°F and 50°F.
The warmest day is today, with a maximum temperature of 73.4°F; Wednesday will be the coldest day, with the highest temperature of 64.4°F.
Rainfall is expected on Wednesday and Thursday.
In the upcoming days, the maximum temperature will range between 64.4°F and 73.4°F, while the lowest temperature will be between 42.8°F and 50°F.
The warmest day is today, with a maximum temperature of 73.4°F; Wednesday will be the coldest day, with the highest temperature of 64.4°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
On Sunday, in Napa Junction, skies are expected to be clear and full of sunshine.
Today, the maximum temperature will be 73.4°F, while the minimum temperature will be 48.2°F.
The maximum temperature will be in line with the average highest temperature of 73.6°F in October. The lowest temperature today will be slightly cooler than the average low temperature.
The maximum temperature will be in line with the average highest temperature of 73.6°F in October. The lowest temperature today will be slightly cooler than the average low temperature.
On Sunday, in Napa Junction, sunrise will be at 7:21 am and sunset at 6:27 pm (PDT).
Today in Napa Junction, the daylight will last for 11h and 6min.
