Arroyo Grande, California Weather Forecast

San Luis Obispo County 35.12°N, 120.58°W Pop. 54,177

Today in Arroyo Grande: slight rain with a high near 63°F and a low around 55°F. Rain chance 53%. Rain chances peak at 27% on Friday. Highs run 66 to 71°F through Wednesday.

Forecast updated 7:05 PM PDT, Oct 22

Active Weather Alerts

7-Day Forecast for Arroyo Grande

Today 10/22
Slight rain
53%
63°55°
Fri 10/23
Mostly sunny
27%
66°54°
Sat 10/24
Clear sky
71°51°
Sun 10/25
Clear sky
69°52°
Mon 10/26
Clear sky
70°51°
Tue 10/27
Clear sky
70°50°
Wed 10/28
Partly cloudy
66°51°
Hourly charts, 15-day outlook and more for Arroyo Grande in Local Wx →

Next 24 Hours

NowFri12 AM1 AM2 AM3 AM4 AM5 AM6 AM7 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PM8 PM9 PM10 PM
SkyPartly cloudyModerate drizzleOvercastModerate drizzleLight drizzlePartly cloudyModerate drizzleOvercastOvercastOvercastLight drizzlePartly cloudyMostly sunnyMostly sunnyMostly sunnyMostly sunnyMostly sunnyMostly sunnyMostly sunnyClear skyClear skyClear skyClear skyClear sky
Temp57°57°56°55°55°55°54°54°54°54°57°59°60°61°63°64°66°66°66°64°62°61°59°58°
Rain17%27%14%14%8%12%17%9%4%3%3%1%0%0%0%0%0%0%0%0%0%0%0%0%
WindNW 5NW 5NW 4NW 3NW 3NNW 3NNW 3NNW 3NNW 3NNW 4NNW 4NNW 3NNW 4NW 6NW 7WNW 8WNW 9NW 9NW 9NNW 8NNW 8N 8N 9N 9

Growing Conditions

Growing degree days
2,461
since Apr 1, base 50°F
Rain, last 30 days
0.09 in
model analysis
Rain, year to date
9.27 in
since Jan 1
2-inch soil temperature
64°F
yesterday, daily average
Reference ET, last 7 days
1.02 in
FAO-56 grass reference
Through Oct 21. Season totals use model analysis for this point and update every morning. Soil, ET and spray tools for Arroyo Grande →

Current Stats & Observations

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NWS Forecast

About Arroyo Grande Weather

Arroyo Grande sits at about 203 feet above sea level in San Luis Obispo County, California. About 54,177 people live in the Arroyo Grande area. Official forecasts and warnings for the area come from the National Weather Service LOX office, and the nearest NEXRAD radar site is KVBX. The city is in USDA plant hardiness zone 9b, where the coldest winter night typically falls between 25 to 30°F. Freezing temperatures are rare here.