Weather forecast for 10 daysVallecito, CA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 86°F
- 48°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphSSW 196°
- Humidity: 22%
- UV index: 5
- Sunrise: 7:13 am PDT
- Sunset: 6:20 pm PDT
- details ▼
Tomorrow, in Vallecito, sunshine is also expected with little to no cloud cover.
Temperature readings will span from a daytime high of a blazing 86°F to a night low of a brisk 48.2°F.
Tomorrow, expect conditions that are hotter than normal, with a temperature that reflects September's typical maximum of 85.3°F.
Sunrise will be at 7:13 am and sunset at 6:20 pm; tomorrow's daylight will last for 11h and 7min.
Temperature readings will span from a daytime high of a blazing 86°F to a night low of a brisk 48.2°F.
Tomorrow, expect conditions that are hotter than normal, with a temperature that reflects September's typical maximum of 85.3°F.
Sunrise will be at 7:13 am and sunset at 6:20 pm; tomorrow's daylight will last for 11h and 7min.
10-day overview
Daily temperatures
Warmest day: tomorrow 86°C.
Coldest day: Thursday 63°C.
Coldest day: Thursday 63°C.
Chance of precipitation
Highest chance: Thursday 57%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 55°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphENE 60°
- Humidity: 37%
- UV index: 0
- Sunrise: 7:12 am PDT
- Sunset: 6:21 pm PDT
- details ▼
- Sunday
- Oct 18, 2026
- 86°F
- 48°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphSSW 196°
- Humidity: 22%
- UV index: 5
- Sunrise: 7:13 am PDT
- Sunset: 6:20 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 75°F
- 45°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphSW 220°
- Humidity: 36%
- UV index: 5
- Sunrise: 7:14 am PDT
- Sunset: 6:18 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 75°F
- 52°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0.04"
- Wind: 6mphSSW 197°
- Humidity: 38%
- UV index: 3
- Sunrise: 7:15 am PDT
- Sunset: 6:17 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 66°F
- 48°F
Showers
- Precip. probability: 50%
- Precipitation: 0.31"
- Wind: 4mphS 178°
- Humidity: 55%
- UV index: 3
- Sunrise: 7:16 am PDT
- Sunset: 6:16 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 63°F
- 46°F
Showers
- Precip. probability: 57%
- Precipitation: 0.28"
- Wind: 6mphSSW 206°
- Humidity: 73%
- UV index: 4
- Sunrise: 7:17 am PDT
- Sunset: 6:14 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 66°F
- 43°F
Mostly Sunny
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 6mphSW 236°
- Humidity: 69%
- UV index: 4
- Sunrise: 7:18 am PDT
- Sunset: 6:13 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 70°F
- 46°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphS 179°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:19 am PDT
- Sunset: 6:12 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 68°F
- 46°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0.04"
- Wind: 6mphS 184°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:20 am PDT
- Sunset: 6:11 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 66°F
- 43°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 6mphSSW 195°
- Humidity: 46%
- UV index: 4
- Sunrise: 7:21 am PDT
- Sunset: 6:09 pm PDT
- details ▼
For the next ten days, a combination of cloud-filled, bright and damp weather is predicted.
Rainfall is predicted for Wednesday, Thursday and next Sunday.
Temperature fluctuation will be noticeable in the upcoming period. Maximum temperatures are forecasted between 62.6°F and 86°F, while the lowest nightly temperature differences will be also quite pronounced, as the overnight lows will vary from 42.8°F to 55.4°F.
With the highest temperature of 86°F, Sunday will be the hottest day; Thursday will be the coldest day, with the highest temperature of 62.6°F.
Rainfall is predicted for Wednesday, Thursday and next Sunday.
Temperature fluctuation will be noticeable in the upcoming period. Maximum temperatures are forecasted between 62.6°F and 86°F, while the lowest nightly temperature differences will be also quite pronounced, as the overnight lows will vary from 42.8°F to 55.4°F.
With the highest temperature of 86°F, Sunday will be the hottest day; Thursday will be the coldest day, with the highest temperature of 62.6°F.
Updated: Oct 18, 2026 @ 04:48:54 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 Vallecito, bright and sunny weather is expected.
Tomorrow, the highest temperature in Vallecito, California, will be 86°F, while the lowest temperature will be 48.2°F.
The maximum temperature tomorrow will be uncommonly higher than the average highest temperature of 73.8°F in October. The lowest temperature will be in line with the average low of 51.8°F.
The maximum temperature tomorrow will be uncommonly higher than the average highest temperature of 73.8°F in October. The lowest temperature will be in line with the average low of 51.8°F.
On Sunday, in Vallecito, sunrise will be at 7:13 am and sunset at 6:20 pm (PDT).
In Vallecito, tomorrow, there will be 11h and 7min of daylight.





