See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
21°
Breezy
Feels Like: 23°
Min: 13°
Max: 29°
The next few hours will be clear, with today reaching 29°C and dropping to 12°C. The coming days will be mostly clear from afternoon until night.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:50
Sunrise
19:04
Sunset
Moon
Waxing Crescent
10:28
Moonrise
20:24
Moonset
Daily Forecast
Monday
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
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Weather in San Luis Obispo today, September 14, 2026
San Luis Obispo starts September 14, 2026 under largely sunny skies, with bright spells setting the tone from the outset. Outdoor plans should enjoy long stretches of open sky as the day unfolds.
Temperatures climb from an overnight low near 13°C toward a daytime high of about 29°C. Expect humidity between 56% and 99%, most humid near 23:00. Expect gentle winds, highest near 17:00 at 7.7 km/h.
Through the afternoon cloud remains the main feature, with cover near 100% around 21:00. Bright spells should stay limited even as the day wears on. Horizontal visibility sits around 14.6 km, briefly nearer 12.2 km. Sunrise is at 06:50 and sunset at 19:04, giving 12 hours 14 minutes of sunlight today.
The practical takeaway for San Luis Obispo is a bright September 14, 2026, ideal for outdoor errands before temperatures ease from about 29°C.
Frequently asked questions about weather in San Luis Obispo
How warm does it get in San Luis Obispo?
The warmest month in San Luis Obispo is September, with average high temperatures of 22°C. The average temperature during this period is around 18°C.
How cold does it get in San Luis Obispo?
The coldest month in San Luis Obispo is February, with average low temperatures of 9°C. The average temperature during this period is around 12°C.
What is the wettest time of year in San Luis Obispo?
The wettest month in San Luis Obispo is January, with an average of 117mm of precipitation.
What is the driest time of year in San Luis Obispo?
The driest month in San Luis Obispo is August, with an average of 0mm of precipitation.
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