Weather forecast for tomorrowPittsburg, CA
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 82°F
- 54°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 14mphWSW 255°
- Humidity: 47%
- UV index: 5
- Sunrise: 7:19 am PDT
- Sunset: 6:25 pm PDT
- details ▼
Tomorrow, in Pittsburg, conditions remain stable and sunny, with little cloud presence.
The temperature will peak at a moderately hot 82.4°F during the day, dropping to a low of a cool 53.6°F at night.
The maximum heat index, which factors the actual air temperature with the relative humidity, is computed to be 82.4°F.
The expected high of 82.4°F appears seasonally off, better matching September's typical values.
Sunrise will be at 7:19 am and sunset at 6:25 pm; tomorrow's daylight will last for 11h and 7min.
The temperature will peak at a moderately hot 82.4°F during the day, dropping to a low of a cool 53.6°F at night.
The maximum heat index, which factors the actual air temperature with the relative humidity, is computed to be 82.4°F.
The expected high of 82.4°F appears seasonally off, better matching September's typical values.
Sunrise will be at 7:19 am and sunset at 6:25 pm; tomorrow's daylight will last for 11h and 7min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 81°C.
Coldest hour: 6 am 57°C.
Coldest hour: 6 am 57°C.
Chance of precipitation
Highest chance: 9 pm 3%.
Hourly weather forecast
- 12 am
- 68°F
- Feels like:68°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphSW 230°
- Humidity: 39%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 63°F
- Feels like:63°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 8mphSW 232°
- Humidity: 53%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 61°F
- Feels like:61°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphSW 235°
- Humidity: 59%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 57°F
- Feels like:55°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphWSW 236°
- Humidity: 70%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:19 am
- 8 am
- 57°F
- Feels like:55°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 6mphSW 234°
- Humidity: 75%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 68°F
- Feels like:68°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphWSW 246°
- Humidity: 55%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 75°F
- Feels like:75°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphW 272°
- Humidity: 42%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 81°F
- Feels like:81°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphW 267°
- Humidity: 33%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 79°F
- Feels like:79°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 14mphW 259°
- Humidity: 33%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 6 pm
- 73°F
- Feels like:73°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 14mphWSW 252°
- Humidity: 41%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:25 pm
- 8 pm
- 64°F
- Feels like:63°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 15mphWSW 242°
- Humidity: 57%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 61°F
- Feels like:57°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 16mphWSW 237°
- Humidity: 67%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, sunny conditions are likely to prevail.
The temperature will vary between the lowest temperature of 57.2°F and the highest temperature of 80.6°F. The warmest part of the day will be at 2 pm and 3 pm.
The maximum temperature tomorrow will be more alike with September's average high of 84.7°F than October's typical of 75.9°F. The temperature low is forecasted to be consistent with the usual October value of 54.3°F.
The temperature will vary between the lowest temperature of 57.2°F and the highest temperature of 80.6°F. The warmest part of the day will be at 2 pm and 3 pm.
The maximum temperature tomorrow will be more alike with September's average high of 84.7°F than October's typical of 75.9°F. The temperature low is forecasted to be consistent with the usual October value of 54.3°F.
Updated: Oct 18, 2026 @ 05:44:02 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, conditions remain stable and sunny, with little cloud presence.
Tomorrow, the highest temperature will be 82.4°F, while the lowest temperature will be 53.6°F. The maximum heat index, which modifies the air temperature to account for humidity, is calculated to be 82.4°F.
The highest temperature will be relatively higher than the average maximum of 75.9°F in October. The lowest temperature tomorrow will be in line with the average low temperature.
The highest temperature will be relatively higher than the average maximum of 75.9°F in October. The lowest temperature tomorrow will be in line with the average low temperature.
On Sunday, in Pittsburg, sunrise will be at 7:19 am and sunset at 6:25 pm (PDT).
In Pittsburg, tomorrow, there will be 11h and 7min of daylight.





