Arroyo Grande, CA 93421 Weather

San Luis Obispo County12:39 PM PDT35.12°N, 120.59°W

Current conditions

Rain Showers
62°
Rain Showers
Feels like 62°
High 63°·Low 52°
WindSSW 10 mph
Humidity100%
Dew point62°
Cloud cover91%
UV index5 Moderate
Sunrise7:15 AM
Sunset6:20 PM

Forecast for this hour (no station report in the last two hours)

Forecast

10-day

  • Today

    Rain showers. Mostly cloudy, with a high near 63. West southwest wind 10 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.

  • Tonight

    Rain showers likely before 5am. Cloudy, with a low around 52. Northwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

  • Friday

    Mostly sunny, with a high near 66. Northwest wind 5 to 10 mph.

National Weather Service forecast updated 1 hr ago.

Hourly

Hourly forecast
  1. Now Rain Showers 62°81%
  2. 1 PM Rain Showers 63°81%
  3. 2 PM Rain Showers 63°81%
  4. 3 PM Rain Showers 62°81%
  5. 4 PM Rain Showers 61°81%
  6. 5 PM Rain Showers Likely 59°62%
  7. 6 PM Rain Showers Likely 58°62%
  8. 7 PM Rain Showers Likely 57°62%
  9. 8 PM Rain Showers Likely 57°62%
  10. 9 PM Rain Showers Likely 57°62%
  11. 10 PM Rain Showers Likely 57°62%
  12. 11 PM Chance Rain Showers 57°34%
  13. Fri12 AM Chance Rain Showers 57°34%
  14. 1 AM Chance Rain Showers 57°34%
  15. 2 AM Chance Rain Showers 56°34%
  16. 3 AM Chance Rain Showers 56°34%
  17. 4 AM Chance Rain Showers 54°34%
  18. 5 AM Mostly Cloudy 54°
  19. 6 AM Mostly Cloudy 53°
  20. 7 AM Mostly Cloudy 52°
  21. 8 AM Mostly Cloudy 54°
  22. 9 AM Mostly Cloudy 57°
  23. 10 AM Mostly Cloudy 60°
  24. 11 AM Mostly Sunny 60°

Daily forecast

Details
  1. TodayOct 22 Rain Showers Rain Showers79%52°63°
  2. FriOct 23 Mostly Sunny Mostly Sunny52°66°
  3. SatOct 24 Sunny Sunny52°71°
  4. SunOct 25 Sunny Sunny50°71°
  5. MonOct 26 Sunny Sunny49°72°
  6. TueOct 27 Mostly Sunny Mostly Sunny51°71°
  7. WedOct 28 Mostly Sunny Mostly Sunny52°68°
  8. ThuOct 29 Partly cloudy Partly cloudy54°72°
  9. FriOct 30 Mostly clear Mostly clear53°71°

Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.

Radar

Full map
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Weather news in California

More weather news

Air quality

31
Good
Ozone

Air quality is satisfactory, and air pollution poses little or no risk.

Forecast

  • ThuGood
  • FriGood
  • SatGood

Nipomo, CA reporting area · 1 hr ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.

Sun & moon

Sunrise 7:15 AM
Sunset 6:20 PM
Daylight 11 h 4 min (−2 min 3 s tomorrow)
Waxing Gibbous · 87% lit
Moonrise 4:18 PM Moonset 3:35 AM
Full moon Oct 26 New moon Nov 8

Almanac

Monthly
Normal high / low74° / 49°
Record high101° (1929)
Record low35° (1949)
Wettest2.80 in (1907)
Month to date<0.01 in (normal 0.27 in)

Santa Maria Area, records since 1906. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).

Nearby

Forecasters' discussion

From the National Weather Service office in LOX, issued 19 hrs ago

Synopsis

21/227 AM.

Widespread rain will develop later today and continue into Thursday with a chance of thunderstorms. A weak Santa Ana will develop in the storm's wake by the weekend for dry and warmer conditions.

Long Term (sun-wed)

21/205 PM.

A low grade Santa Ana event will continue into next week continuing the dry and warmer pattern. Onshore flow is expected to return around mid week with temperatures returning to normal levels. There are some model solutions indicating a return of wet weather around Halloween.

Aviation

22/0001Z.

At 23Z at KLAX, there was no marine layer nor an inversion.

Low to moderate confidence in 00Z TAF package. Rain will turn to showers across the region this evening and continue through Thursday. There is a 30%-50% chance of MVFR CIGs at times with the rain.

There is a 10-20% chance of TSRA through the period with the chances spreading south and east this evening.

KLAX...Moderate confidence in 00Z TAF. There is a 50% chance that CIGs remain at VFR levels through the period with a 30%-50% chance of MVFR cigs at times. There is a 10%-20% chance of TSRA for much of the fcst period. There is 30% chance of an easterly wind component of 7-10 knots tonight.

KBUR...Low to moderate confidence in 00Z TAF. IFR cigs at fcst time should improve quickly. Then there is a 50% chance that CIGs remain at VFR levels through much the period with a 30%-50% chance of MVFR cigs at times. There is a 10%-20% chance of TSRA for much of the fcst period.

Marine

21/123 PM.

For the Outer Waters, high confidence in current forecast. Tonight through Thursday night, winds and seas are expected to remain below Small Craft Advisory (SCA) levels. On Friday, northwest winds will increase to SCA levels. For Saturday through Monday, winds and seas are expected to remain below SCA levels.

For the Inner Waters north of Point Sal, moderate to high confidence in current forecast. There is a 30-40% chance of SCA level winds Friday afternoon and evening. Otherwise, high confidence in winds and seas remaining below SCA levels through Monday.

For the Inner Waters south of Point Conception, moderate to high confidence in current forecast. Through this evening, there is a 60-80% chance of SCA level southeasterly winds across all the southern Inner Waters. For Thursday through Monday, high confidence in winds and seas remaining below SCA levels for most areas. The only exception will be the western half of the Santa Barbara Channel with a 50-70% chance of SCA level winds late Friday afternoon and evening.

Through Thursday, showers and isolated thunderstorms will impact all of the coastal waters. Any thunderstorms that develop will be capable of producing gusty/erratic winds, locally rough seas and even waterspouts.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Conservative index and reflects what the press published. Terms of use.