Live Weather & Forecast
Weather in Arroyo Grande
California, United States · Real-time conditions & 3-day outlook
16°C
Feels like 16°C
61°F / Feels 61°F
Overcast
Arroyo Grande, California
🌞 Daytime
Updated: 2026-04-12 17:00
Humidity
58%
Wind
14.8 km/h W
Wind Gust
17 km/h
Pressure
1016 mb
Visibility
16 km
UV Index
1.6
(Low)
Precipitation
0 mm
Cloud Cover
100%
Dew Point
13.1°C
Wind Degree
272°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
257.9 μg/m³
NO₂
7.6 μg/m³
O₃
67 μg/m³
SO₂
2 μg/m³
PM 2.5
7.7 μg/m³
PM 10
11.1 μg/m³
Weather Alerts 1
Met
· Moderate · Expected
Winter Weather Advisory issued April 12 at 12:40AM PDT until April 13 at 11:00AM PDT by NWS Los Angeles/Oxnard CA
* WHAT...Wet snow expected. Total snow amounts up to around 6 inches above 6000 feet. Winds gusting as high as 40 mph. * WHERE...Northern Ventura County Mountains, Santa Barbara County Interior Mountains, and Southern Ventura County Mountains. * WHEN...Until 11 AM PDT Monday. * IMPACTS...The hazardous conditions could impact the Monday morning commute. * ADDITIONAL DETAILS...Snow levels will b...
Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
Today's Hourly Forecast
24-hour breakdown for Arroyo Grande, California
12 AM
14°
Clear
1 AM
14°
Moderate rain
2 AM
13°
Patchy light drizzle
3 AM
13°
Partly Cloudy
4 AM
12°
Cloudy
5 AM
12°
Clear
6 AM
12°
Clear
7 AM
12°
Sunny
8 AM
12°
Patchy rain nearby
9 AM
13°
Patchy rain nearby
10 AM
14°
Cloudy
11 AM
14°
Patchy rain nearby
12 PM
15°
Patchy rain nearby
1 PM
15°
Moderate rain at times
2 PM
16°
Sunny
3 PM
17°
Sunny
4 PM
17°
Sunny
5 PM
16°
Overcast
6 PM
17°
Sunny
7 PM
15°
Sunny
8 PM
13°
Clear
9 PM
12°
Clear
10 PM
11°
Clear
11 PM
10°
Clear
3-Day Forecast
Daily overview for Arroyo Grande, California
Today
Moderate rain
18°
/
10°
🌧️ 89% chance of rain
💧 Avg. humidity: 80%
💨 Max wind: 25.9 km/h
🌧️ Total precip: 8.59 mm
☀️ UV Index: 1.7
🌅 Sunrise: 06:34 AM
🌇 Sunset: 07:33 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Partly Cloudy
16°
/
9°
🌧️ 0% chance of rain
💧 Avg. humidity: 80%
💨 Max wind: 22.7 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.4
🌅 Sunrise: 06:32 AM
🌇 Sunset: 07:34 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Sunny
20°
/
10°
🌧️ 0% chance of rain
💧 Avg. humidity: 77%
💨 Max wind: 23.8 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.8
🌅 Sunrise: 06:31 AM
🌇 Sunset: 07:35 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Best Time to Visit Arroyo Grande
Plan your trip to Arroyo Grande, United States around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Arroyo Grande?
Current conditions in Arroyo Grande: Overcast, temperature 16°C, humidity 58%.
What is the best time to visit Arroyo Grande?
The best time to visit Arroyo Grande is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Arroyo Grande?
Arroyo Grande is located at approximately 35.1° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Arroyo Grande?
The wettest period in Arroyo Grande is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Arroyo Grande?
For visits to Arroyo Grande during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Arroyo Grande in?
Arroyo Grande is located in United States, in the state of California.
What are the public holidays in Arroyo Grande in 2026?
View the 2026 public holidays for Arroyo Grande on our Holidays page.
What are the GPS coordinates used for the weather forecast in Arroyo Grande?
The weather forecast for Arroyo Grande uses coordinates 35.1235, -120.5786.