Grover Beach, CA Weather Forecast | 5 Day

Updated: Thu May 14th 2026 12:00 AM PDT

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Grover Beach, CA Weather Forecast - 5-14-26 - Sunny

Sunny

Thu 5-14-26

Sunny with a high of 70°F and a low of 47°F. Winds will be light at 9mph and gusts of 10.2mph at 8 PM. The humidity will be on the higher side, averaging about 73%, the maximum being 96% at 7 AM and 51% being its lowest at 11 AM. Barometric pressure is its highest of 30.04inHg at 1 AM, a lowest point of 29.96inHg at 5 PM with an avg 29.99inHg.

    • HI: 70°F
    • LO: 47°F
    • Rainfall: 0%
    • Snowfall: 0%
    • Wind
      8.3 mph
    • Humidity
      73% avg.
    • UV Index
      9.7
    • Air Quality
      Good
    • Sunrise
      05:59 AM
    • Sunset
      07:59 PM
    • Moonrise
      04:12 AM
    • Moonset
      05:56 PM
    • Moon Phase
      Waning Crescent
Grover Beach, CA Weather Forecast - 5-15-26 - Sunny

Sunny

Weather Tomorrow, Fri 5-15-26

Sunny with a high of 70°F and a low of 52°F. Wind will be moderate, blowing around 11mph on average and gusts of 12.3mph at 4 PM. The humidity will be on the higher side, averaging about 71%, the maximum being 89% at 9 PM and 53% being its lowest at 12 PM. Barometric pressure is its highest of 29.98inHg at 12 AM, a lowest point of 29.91inHg at 5 PM with an avg 29.94inHg.

    • HI: 70°F
    • LO: 52°F
    • Rainfall: 0%
    • Snowfall: 0%
    • Wind
      10.7 mph
    • Humidity
      71% avg.
    • UV Index
      0
    • Air Quality
      Good
    • Sunrise
      05:58 AM
    • Sunset
      08:00 PM
    • Moonrise
      04:46 AM
    • Moonset
      07:11 PM
    • Moon Phase
      Waning Crescent
Grover Beach, CA Weather Forecast - 5-16-26 - Sunny

Sunny

Sat 5-16-26

Sunny with a high of 69°F and a low of 50°F. Wind will be moderate, blowing around 19mph on average and gusts of 25.5mph at 9 PM. The humidity will be on the higher side, averaging about 64%, the maximum being 84% at 12 AM and 37% being its lowest at 10 AM. Barometric pressure is its highest of 29.93inHg at 8 AM, a lowest point of 29.85inHg at 5 PM with an avg 29.9inHg.

    • HI: 69°F
    • LO: 50°F
    • Rainfall: 0%
    • Snowfall: 0%
    • Wind
      19 mph
    • Humidity
      64% avg.
    • UV Index
      4
    • Air Quality
      Good
    • Sunrise
      05:58 AM
    • Sunset
      08:00 PM
    • Moonrise
      05:27 AM
    • Moonset
      08:29 PM
    • Moon Phase
      New Moon
Grover Beach, CA Weather Forecast - 5-17-26 - Sunny

Sunny

Sun 5-17-26

Sunny with a high of 72°F and a low of 48°F. Wind will be moderate, blowing around 15mph on average and gusts of 18.2mph at 12 AM. The humidity will be on the higher side, averaging about 66%, the maximum being 83% at 12 AM and 47% being its lowest at 1 PM. Barometric pressure is its highest of 29.87inHg at 12 AM, a lowest point of 29.75inHg at 5 PM with an avg 29.81inHg.

    • HI: 72°F
    • LO: 48°F
    • Rainfall: 0%
    • Snowfall: 0%
    • Wind
      14.3 mph
    • Humidity
      66% avg.
    • UV Index
      5
    • Air Quality
      Good
    • Sunrise
      05:57 AM
    • Sunset
      08:01 PM
    • Moonrise
      06:17 AM
    • Moonset
      09:45 PM
    • Moon Phase
      Waxing Crescent
Grover Beach, CA Weather Forecast - 5-18-26 - Sunny

Sunny

Mon 5-18-26

Sunny with a high of 70°F and a low of 53°F. Winds will be light at 8mph and gusts of 8.9mph at 5 AM. The humidity will be on the higher side, averaging about 66%, the maximum being 89% at 11 PM and 50% being its lowest at 10 AM. Barometric pressure is its highest of 29.9inHg at 11 PM, a lowest point of 29.79inHg at 3 AM with an avg 29.85inHg.

    • HI: 70°F
    • LO: 53°F
    • Rainfall: 0%
    • Snowfall: 0%
    • Wind
      7.6 mph
    • Humidity
      66% avg.
    • UV Index
      5
    • Air Quality
      TBA
    • Sunrise
      05:56 AM
    • Sunset
      08:02 PM
    • Moonrise
      07:17 AM
    • Moonset
      10:52 PM
    • Moon Phase
      Waxing Crescent
Grover Beach, CA Weather Forecast - 5-19-26 - Sunny

Sunny

Tue 5-19-26

Sunny with a high of 69°F and a low of 52°F. Winds will be light at 9mph and gusts of 10.8mph at 5 AM. High humidity with average of 81% is anticipated, the maximum being 94% at 11 PM and 61% being its lowest at 11 AM. Barometric pressure is its highest of 29.97inHg at 10 PM, a lowest point of 29.89inHg at 3 AM with an avg 29.93inHg.

    • HI: 69°F
    • LO: 52°F
    • Rainfall: 0%
    • Snowfall: 0%
    • Wind
      8.1 mph
    • Humidity
      81% avg.
    • UV Index
      5
    • Air Quality
      TBA
    • Sunrise
      05:56 AM
    • Sunset
      08:03 PM
    • Moonrise
      08:26 AM
    • Moonset
      11:50 PM
    • Moon Phase
      Waxing Crescent

This 5-Day weather forecast is relevant for ZIP codes 93433 and 93483, accurately covering areas of Grover Beach, CA.

Currently

Clear 54°F
30.04 inHg.
Barometer
86%
Humidity
NNW 4 mph
Wind
Clear

National Outlook

Storms in Northern Rockies and Central Plains - 05-13 to 05-15

Wed May 13th 2026, 5:18am PDT
Read

Heavy Rain and Severe Weather Alert for Central U.S.

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Wed May 13th 2026, 5:18am PDT
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