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Alleghany, CA 95910 Weather

It is 56°F in Alleghany, CA 95910, observed at 2:33 PM PDT. Today: Chance Showers And Thunderstorms, high 48°F, low 42°F. Hourly and 7-day forecast from the National Weather Service. Times are local (PDT).

Alleghany, CA 95910 current weather

56°F

Chance Showers And Thunderstorms

H 48° / L 42°Feels like 56°

Observed at WHITE CLOUD (10.5 mi away), 10/30/2026, 2:33 PM PDT

Hourly forecast

NWS, updated 10/30/2026, 2:21 PM PT

  1. Now47°28%
  2. 4 PM48°25%
  3. 5 PM46°32%
  4. 6 PM44°25%
  5. 7 PM43°17%
  6. 8 PM42°
  7. 9 PM42°
  8. 10 PM42°20%
  9. 11 PM42°
  10. 12 AM42°14%Sat
  11. 1 AM43°17%
  12. 2 AM43°25%
  13. 3 AM44°34%
  14. 4 AM44°56%
  15. 5 AM44°79%
  16. 6 AM44°89%
  17. 7 AM42°77%
  18. 8 AM44°63%
  19. 9 AM43°72%
  20. 10 AM42°67%
  21. 11 AM43°53%
  22. 12 PM43°72%
  23. 1 PM43°87%
  24. 2 PM43°94%
  25. 3 PM44°79%
  26. 4 PM43°64%
  27. 5 PM42°81%
  28. 6 PM42°62%
  29. 7 PM41°25%
  30. 8 PM41°24%
  31. 9 PM41°23%
  32. 10 PM41°26%
  33. 11 PM41°52%
  34. 12 AM40°48%Sun
  35. 1 AM40°38%
  36. 1 AM40°
  37. 2 AM40°
  38. 3 AM40°12%
  39. 4 AM39°21%
  40. 5 AM39°21%
  41. 6 AM38°21%
  42. 7 AM38°21%
  43. 8 AM39°21%
  44. 9 AM40°21%
  45. 10 AM41°
  46. 11 AM43°
  47. 12 PM45°
  48. 1 PM46°

7-day forecast

Tap a day for details

  • Today10/3079% chance of precipitationLow 42°High 48°

    This Afternoon: A chance of showers and thunderstorms before 5pm, then a chance of rain. Partly sunny. High near 48, with temperatures falling to around 46 in the afternoon. South southwest wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

    Tonight: Rain. Mostly cloudy. Low around 42, with temperatures rising to around 44 overnight. South southeast wind around 3 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.

    Chance Showers And Thunderstorms
  • Sat10/3194% chance of precipitationLow 38°High 44°

    Saturday: Rain before 9am, then rain likely and patchy fog between 9am and 11am, then showers and thunderstorms between 11am and 5pm, then rain. Cloudy. High near 44, with temperatures falling to around 42 in the afternoon. South wind 1 to 5 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Saturday Night: Rain likely before 11pm, then areas of fog and a chance of rain between 11pm and 1am, then a chance of rain and patchy fog between 1am and 4am, then patchy fog and a slight chance of rain. Mostly cloudy, with a low around 38. South southeast wind 0 to 3 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

    Showers And Thunderstorms
  • Sun11/121% chance of precipitationLow 39°High 47°

    Sunday: Patchy fog and a slight chance of rain before 10am. Mostly sunny, with a high near 47. West southwest wind around 2 mph. Chance of precipitation is 20%.

    Sunday Night: Mostly clear, with a low around 39.

    Patchy Fog then Mostly Sunny
  • Mon11/220% chance of precipitationLow 44°High 55°

    Monday: Mostly sunny, with a high near 55.

    Monday Night: A slight chance of rain after 4am. Mostly cloudy, with a low around 44.

    Mostly Sunny
  • Tue11/320% chance of precipitationLow 44°High 55°

    Tuesday: A slight chance of rain before 10am. Mostly sunny, with a high near 55.

    Tuesday Night: A slight chance of rain between 10pm and 4am. Partly cloudy, with a low around 44.

    Slight Chance Light Rain then Mostly Sunny
  • Wed11/422% chance of precipitationLow 42°High 54°

    Wednesday: A slight chance of rain after 10am. Partly sunny, with a high near 54.

    Wednesday Night: A slight chance of rain before 4am. Mostly cloudy, with a low around 42.

    Slight Chance Light Rain
  • Thu11/523% chance of precipitationLow 42°High 51°

    Thursday: A slight chance of rain after 10am. Mostly sunny, with a high near 51.

    Thursday Night: A slight chance of rain. Partly cloudy, with a low around 42.

    Slight Chance Light Rain

Forecast for 39.471, -120.818 from the NWS STO office, updated 10/30/2026, 2:21 PM PT · Official forecast on weather.gov

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

  1. Now47°Chance Showers And Thunderstorms28%5 mph
  2. 4 PM48°Chance Showers And Thunderstorms25%5 mph
  3. 5 PM46°Chance Light Rain32%3 mph
  4. 6 PM44°Chance Light Rain25%2 mph
  5. 7 PM43°Slight Chance Light Rain17%2 mph
  6. 8 PM42°Mostly Cloudy8%3 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gusts
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Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the weather in Alleghany, CA 95910 right now?
The latest observation from WHITE CLOUD was 56°F, reported at 10/30/2026, 2:33 PM PDT.
What is the high temperature today in Alleghany, CA 95910?
The National Weather Service forecast for this afternoon calls for a high near 48°F. Chance Showers And Thunderstorms.
Will it rain in Alleghany, CA 95910 in the next 24 hours?
The hourly forecast shows a 56% chance of precipitation around 10/31/2026, 4:00 AM PDT.
What time is sunrise and sunset in Alleghany, CA 95910 today?
Sunrise is about 7:29 AM PDT and sunset is about 6:04 PM PDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Alleghany, CA 95910?
At Downieville, the 1991 to 2020 normal high in October is 72°F and the normal low is 39°F.

Nearby hazards

California hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

  • Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
  • Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
  • River gauges within 40 miles at or above flood stage: None reported
  • Active wildfires within 50 miles: None reported

UV and air quality forecast

EPA and AirNow

AQI forecast today (Colfax)
38GoodOzone
AQI forecast tomorrow (Colfax)
34GoodOzone

UV index guide · Air quality

Drought

By county

Sierra County, week of 10/27/2026

22% of the county is in moderate drought or worse.

Sun and moon

Local time, center of the area

Sunrise
7:29 AM
Sunset
6:04 PM
Daylight
10 hr 34 min
Moon
Waning Gibbous 76% lit
First light (civil dawn)
7:01 AM
Last light (civil dusk)
6:31 PM
Moonrise
9:52 PM
Moonset
12:47 PM

Normal October weather

Climate

Normal October high 72°, low 39°, precipitation 3.34 in for the month. 1991 to 2020 normals at Downieville, 6 mi away.

Other places nearby

Data sources

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About this data

Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.

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