Suisun weather
At 7:00 PM local time it was mostly clear and 13°C (55°F). Little to no rain in the next 24 hours. Best months for weather: Apr–Oct. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Suisun, California, United States.
Current conditions
- Clouds
- 29%
- Chance of rain
- 1%
- Rain
- 0.0 mm/h
Hourly Forecast
Little to no rain in the next 24 hours
Daily Forecast
Best Time to Visit
Peak season Apr–OctOff season Dec–Feb
About Suisun weather
Is it raining in Suisun right now?
No. It’s mostly clear and 13° right now. Little to no rain in the next 24 hours.
What’s the weather like in Suisun this week?
Over the next 7 days, expect highs of 16–23° and lows of 8–11°. Little rain is expected. The driest day looks like Monday.
Has it been raining in Suisun lately?
Barely. The past 7 days were mostly dry, with 0.0 mm of rain in total.
What should I pack for Suisun?
For the coming week, bring a warm layer for the evenings.
Suisun weather by month
When is the best time to visit Suisun?
Based on weather alone, the best time to visit Suisun is Apr–Oct, according to NASA's 2001–2025 climate averages. Dec–Feb tends to be the least pleasant. Average highs run from 13°C (56°F) in January to 30°C (86°F) in July.
What is the rainiest month in Suisun?
December is the wettest month, with about 101 mm (4.0 in) of rain on average. July is the driest, with about 0 mm (0.0 in).
What is the hottest month in Suisun?
July is the warmest, with average highs of 30°C (86°F) and lows of 11°C (52°F). January is the coolest, with highs of 13°C (56°F) and lows of 3°C (38°F).
Does Suisun have a rainy season?
Not a strong one. No month averages more than 150 mm of rain; the wettest is December at about 101 mm (4.0 in).
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months