Arroyo Grande, CA 93420 Weather

San Luis Obispo County1:34 AM PDT35.17°N, 120.47°W

Current conditions

Showers And Thunderstorms
54°
Showers And Thunderstorms
Feels like 54°
High 62°·Low 51° tonight
WindSSE 10 mph
Humidity98%
Dew point53°
Cloud cover80%
UV index0 Low
Sunrise7:15 AM
Sunset6:19 PM

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

Forecast

10-day

  • Tonight

    Showers and thunderstorms. Mostly cloudy, with a low around 51. East southeast wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

  • Thursday

    Rain showers likely. Partly sunny, with a high near 62. South wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

  • Thursday Night

    A chance of rain showers before 5am. Mostly cloudy, with a low around 48. Northwest wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

National Weather Service forecast updated 9 hrs ago.

Hourly

Hourly forecast
  1. Now Showers And Thunderstorms 54°78%
  2. 2 AM Showers And Thunderstorms 53°78%
  3. 3 AM Showers And Thunderstorms 53°78%
  4. 4 AM Showers And Thunderstorms 52°78%
  5. 5 AM Rain Showers Likely 52°58%
  6. 6 AM Rain Showers Likely 53°58%
  7. 7 AM Rain Showers Likely 51°58%
  8. 8 AM Rain Showers Likely 52°58%
  9. 9 AM Rain Showers Likely 54°58%
  10. 10 AM Rain Showers Likely 55°58%
  11. 11 AM Rain Showers Likely 56°57%
  12. 12 PM Rain Showers Likely 59°57%
  13. 1 PM Rain Showers Likely 60°57%
  14. 2 PM Rain Showers Likely 61°57%
  15. 3 PM Rain Showers Likely 61°57%
  16. 4 PM Rain Showers Likely 62°57%
  17. 5 PM Chance Rain Showers 61°49%
  18. 6 PM Chance Rain Showers 60°49%
  19. 7 PM Chance Rain Showers 59°49%
  20. 8 PM Chance Rain Showers 58°49%
  21. 9 PM Chance Rain Showers 56°49%
  22. 10 PM Chance Rain Showers 55°49%
  23. 11 PM Chance Rain Showers 54°32%
  24. Fri12 AM Chance Rain Showers 53°32%

10-day forecast

Details
  1. TonightOct 21 Showers And Thunderstorms Showers And Thunderstorms98%51°
  2. TodayOct 22 Rain Showers Likely Rain Showers Likely58%48°62°
  3. FriOct 23 Sunny Sunny10%48°67°
  4. SatOct 24 Sunny Sunny49°72°
  5. SunOct 25 Mostly Sunny Mostly Sunny48°71°
  6. MonOct 26 Sunny Sunny48°71°
  7. TueOct 27 Mostly Sunny Mostly Sunny48°70°
  8. WedOct 28 Mostly Sunny Mostly Sunny67°
  9. ThuOct 29 Cloudy Cloudy51°67°
  10. FriOct 30 Partly cloudy Partly cloudy49°66°

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

Radar

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Weather news in California

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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 6:19 PM
Daylight 11 h 4 min (−2 min 3 s tomorrow)
Waxing Gibbous · 84% lit
Moonrise 4:17 PM Moonset 3:35 AM
Full moon Oct 26 New moon Nov 9

Almanac

Monthly
Normal high / low74° / 49°
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 8 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.