Long Island, CA Weather Forecast

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Long Island, CA Weather Forecast

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Long Island CA weather  - Clear - 51°F
Clear
51°F
Updated 3:16 am
Feels Like 48°F
Humidity 81%
Wind SSW 15 mph
Barometer  30.02 in
Dew Point 46°F
Long Island CA weather  - Clear - 11°C
Clear
11°C
Updated 3:16 am
Feels Like 9°C
Humidity 81%
Wind SSW 24 km/h
Barometer  101.7 kPa
Dew Point 8°C

Long Island Weather Forecast

TODAY TONIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY MONDAY
Long Island, CA Weather - Today Mostly Sunny Long Island, CA Weather - Tonight Clear Long Island, CA Weather - Wednesday Clearing Long Island, CA Weather - Wednesday Night Mostly Clear Long Island, CA Weather - Thursday Mostly Cloudy Long Island, CA Weather - Thursday Night Mostly Cloudy Long Island, CA Weather - Friday Mostly Sunny Long Island, CA Weather - Friday Night Mostly Clear Long Island, CA Weather - Saturday Chance Of Rain Long Island, CA Weather - Saturday Night Partly Cloudy Long Island, CA Weather - Sunday Mostly Clear Long Island, CA Weather - Monday Mostly Clear
Mostly Sunny Clear Clearing Mostly Clear Mostly Cloudy Mostly Cloudy Mostly Sunny Mostly Clear Chance of Rain Partly Cloudy Mostly Clear Mostly Clear
Hi: 66°FHi: 19°C
Lo: 48°FLo: 9°C Hi: 69°FHi: 21°C
Lo: 48°FLo: 9°C Hi: 67°FHi: 19°C
Lo: 49°FLo: 9°C Hi: 65°FHi: 18°C
Lo: 47°FLo: 8°C Hi: 62°FHi: 17°C
Lo: 46°FLo: 8°C Hi: 65°FHi: 18°C
Lo: 46°FLo: 8°C
Hi: 65°FHi: 18°C
Lo: 46°FLo: 8°C
POP = Probability of Precipitation.
Weather Outlook Updated: 202 AM PDT Tue Oct 27 2026 Long Island, CA Weather - WeatherWorld.com

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Issued: 1239 PM PDT Mon Oct 26 2026

Key Messages

  • Cool and dry weather through Friday
  • Breezy southwest winds today, strongest over the higher elevations of the southern Cascades and northern Sierra
  • Pattern change to unsettled weather this weekend

.DISCUSSION...

...Today through Friday... Latest GOES-west visible satellite shows some low to mid level clouds over the mountains this afternoon, especially for Shasta County and the Coast Range. Temperatures are currently trending approximately 3 to 8 degrees cooler than this time yesterday...