Fairfield, CA Weather Forecast
Right now it is 55°F and light rain and fog/mist in Fairfield (as of Tue, 9:55 AM PST). Today: high near 60°F. Tomorrow: sunny, high near 69°F. Official NWS forecast and alerts, refreshed every 30 minutes.
Current conditions

Measured at Fairfield / Travis Air Force Base (6 mi from the city center).
Weather tomorrow in Fairfield
Sunny. High near 69, with temperatures falling to around 65 in the afternoon. Northwest wind around 6 mph.
Partly cloudy, with a low around 48. West wind 1 to 5 mph.
Weather alerts
No active National Weather Service watches, warnings or advisories for Fairfield right now.
7-day forecast
Rain. Mostly cloudy. High near 60, with temperatures falling to around 57 in the afternoon. Southeast wind 3 to 7 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible. Tonight: A chance of rain before 10pm. Mostly cloudy. Low around 49, with temperatures rising to around 51 overnight. Northeast wind 5 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Sunny. High near 69, with temperatures falling to around 65 in the afternoon. Northwest wind around 6 mph. Wednesday Night: Partly cloudy, with a low around 48. West wind 1 to 5 mph.
Patchy fog between 7am and 8am. Sunny, with a high near 73. Northwest wind 1 to 5 mph. Thursday Night: Mostly clear, with a low around 49.
Sunny, with a high near 72. Friday Night: Clear, with a low around 50.
Sunny, with a high near 73. Saturday Night: Mostly clear, with a low around 51.
Mostly sunny, with a high near 73. Sunday Night: Partly cloudy, with a low around 52.
Partly sunny, with a high near 71. Monday Night: Partly cloudy, with a low around 50.
Forecast issued by NWS forecast office STO · updated Nov 3, 7:56 AM PST. Daytime highs and overnight lows are on the right.
Hourly forecast, radar & more on weather.gov
Nearby cities
Fairfield population: 122,489 (U.S. Census Bureau, July 1, 2025 estimate). More California cities · All US cities
Source: National Weather Service / NOAA (public domain), fetched live. Tachlis is not affiliated with the NWS.
Questions & answers
What is the weather tomorrow in Fairfield?
Wednesday, November 4: Sunny, high near 69°F; night: partly cloudy, low around 48°F.
Where does the Fairfield forecast come from?
From the National Weather Service forecast office STO, which writes the official forecast for Fairfield's 2.5 km grid square. Current conditions come from the nearest NWS/FAA weather station.
How often is the Fairfield weather updated?
This page fetches fresh data from the National Weather Service at most every 30 minutes, and checks for new watches and warnings every 5 minutes.
What time zone are the times shown in?
Local time for Fairfield (America/Los Angeles).
Why can the current temperature differ from the forecast?
The current reading is a real measurement at a weather station, often at an airport, while the forecast describes the whole grid square around the city. Temperatures can differ by a few degrees across a city.