San Bernardino, CA Weather Forecast
Right now it is 66°F and clear in San Bernardino (as of Thu, 8:48 AM PST). Today: high near 78°F. Tomorrow: sunny, high near 79°F. Official NWS forecast and alerts, refreshed every 30 minutes.
Current conditions

Measured at San Bernardino Intl. Airport (3 mi from the city center).
Weather tomorrow in San Bernardino
Sunny, with a high near 79. North wind 5 to 15 mph, with gusts as high as 25 mph.
Clear, with a low around 56. Northwest wind 5 to 10 mph.
Weather alerts
No active National Weather Service watches, warnings or advisories for San Bernardino right now.
7-day forecast
Sunny, with a high near 78. Northeast wind 0 to 5 mph. Tonight: Mostly clear, with a low around 56. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunny, with a high near 79. North wind 5 to 15 mph, with gusts as high as 25 mph. Friday Night: Clear, with a low around 56. Northwest wind 5 to 10 mph.
Sunny, with a high near 82. North wind 0 to 5 mph. Saturday Night: Clear, with a low around 57.
Sunny, with a high near 83. Sunday Night: Mostly clear, with a low around 58.
Sunny, with a high near 82. Monday Night: Mostly clear, with a low around 58.
Sunny, with a high near 80. Tuesday Night: Mostly clear, with a low around 57.
A slight chance of rain showers after 4pm. Sunny, with a high near 80. Wednesday Night: A slight chance of rain showers. Mostly clear, with a low around 56.
Forecast issued by NWS forecast office SGX · updated Nov 4, 11:59 PM PST. Daytime highs and overnight lows are on the right.
Hourly forecast, radar & more on weather.gov
Nearby cities
San Bernardino population: 222,044 (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 San Bernardino?
Friday, November 6: Sunny, high near 79°F; night: clear, low around 56°F.
Where does the San Bernardino forecast come from?
From the National Weather Service forecast office SGX, which writes the official forecast for San Bernardino's 2.5 km grid square. Current conditions come from the nearest NWS/FAA weather station.
How often is the San Bernardino 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 San Bernardino (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.