National Weather Service forecast

Newcastle, California Weather

44°Tonight: Patchy Fog then Mostly Clear
Wind NNE 3 mph
7-DayHourlyRadar

Newcastle 7-Day Forecast

  1. Tonight
    44°F
    Patchy Fog then Mostly Clear
    1% chance of precipitation

    Patchy fog before midnight. Mostly clear, with a low around 44. North northeast wind around 3 mph.

  2. Wednesday
    66°F
    Sunny
    1% chance of precipitation

    Sunny. High near 66, with temperatures falling to around 61 in the afternoon. North northwest wind 2 to 7 mph.

  3. Wednesday Night
    45°F
    Partly Cloudy
    1% chance of precipitation

    Partly cloudy, with a low around 45. Northeast wind around 3 mph.

  4. Thursday
    69°F
    Sunny

    Sunny, with a high near 69. North northwest wind around 5 mph.

  5. Thursday Night
    45°F
    Clear

    Clear, with a low around 45. Northeast wind around 3 mph.

  6. Friday
    70°F
    Sunny

    Sunny, with a high near 70.

  7. Friday Night
    48°F
    Mostly Clear

    Mostly clear, with a low around 48.

  8. Saturday
    73°F
    Sunny

    Sunny, with a high near 73.

  9. Saturday Night
    49°F
    Mostly Clear

    Mostly clear, with a low around 49.

  10. Sunday
    73°F
    Sunny

    Sunny, with a high near 73.

  11. Sunday Night
    51°F
    Partly Cloudy

    Partly cloudy, with a low around 51.

  12. Monday
    72°F
    Mostly Sunny
    1% chance of precipitation

    Mostly sunny, with a high near 72.

  13. Monday Night
    50°F
    Partly Cloudy
    1% chance of precipitation

    Partly cloudy, with a low around 50.

  14. Tuesday
    71°F
    Sunny then Slight Chance Light Rain
    15% chance of precipitation

    A slight chance of rain after 4pm. Sunny, with a high near 71.

Issued by the National Weather Service (STO office), updated .

Newcastle Hourly Forecast

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Full 100+ hour forecast for Newcastle

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About Newcastle

Population (2020 Census)
1,321
Coordinates
38.867, -121.132
Elevation
781 ft
NWS forecast office
STO
Time zone
America/Los Angeles
Sunrise today
6:33 AM PST
Sunset today
5:02 PM PST
Daylight today
10 h 28 min

Newcastle Weather Questions

What is the weather forecast for Newcastle, California?

Tonight: Patchy fog before midnight. Mostly clear, with a low around 44. North northeast wind around 3 mph. Wednesday: Sunny. High near 66, with temperatures falling to around 61 in the afternoon. North northwest wind 2 to 7 mph.

Will it rain or snow in Newcastle this week?

Not much. The highest chance of precipitation in the 7-day forecast is 15%, Tuesday.

How warm and how cold will it get in Newcastle this week?

The warmest day is Saturday, with a high near 73°F. The coldest night is Tonight, with a low near 44°F.

What time are sunrise and sunset in Newcastle today?

Sunrise is at 6:33 AM PST and sunset is at 5:02 PM PST, for 10 h 28 min of daylight.

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