See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
17°
Windy
Feels Like: 17°
Min: 16°
Max: 18°
The next few hours will be clear, with today reaching 18°C and dropping to 14°C. The coming days will be partly cloudy in the afternoon and overnight.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:49
Sunrise
19:04
Sunset
Moon
Waxing Crescent
10:27
Moonrise
20:24
Moonset
Daily Forecast
Monday
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Air Quality Data Available
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UV Index
Humidity
Weather in Grover Beach today, September 14, 2026
Conditions in Grover Beach on September 14, 2026 favour clear skies, so the day opens with a fine, sunny outlook. Any interruptions to the blue should be brief rather than lasting.
The temperature range runs from about 16°C up to 18°C. Moisture in the air spans 83%-93%, with the highest values around 22:00. A lighter breeze peaks around 17:00 near 10.1 km/h.
Afternoon skies stay clogged, peaking close to 100% near 22:00. The grey theme continues rather than clearing out. Visibility holds near 14.8 km, though it can fall to 12.7 km. Expect sunrise at 06:49, sunset at 19:04, and 12 hours 14 minutes of sunlight today overall.
Taken together, settled sunshine in Grover Beach on September 14, 2026 makes outdoor timing easier, with highs near 18°C.
Frequently asked questions about weather in Grover Beach
How warm does it get in Grover Beach?
The warmest month in Grover Beach is September, with average high temperatures of 21°C. The average temperature during this period is around 18°C.
How cold does it get in Grover Beach?
The coldest month in Grover Beach 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 Grover Beach?
The wettest month in Grover Beach is January, with an average of 109mm of precipitation.
What is the driest time of year in Grover Beach?
The driest month in Grover Beach is July, with an average of 0mm of precipitation.
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