Skip to content

Checked

McArthur, CA Weather

Tonight: Widespread Frost then Haze, low 23°F. Hourly and 7-day forecast from the National Weather Service. Times are local (PDT).

McArthur, CA current weather

51°F

Mostly Clear

Forecast for this hour. No recent report from a nearby station.

H -- / L 23°

  • No rain expected in the next 12 hours

No recent station report. NWS hourly forecast updated 10/28/2026, 2:01 PM PT

Hourly forecast

NWS, updated 10/28/2026, 2:01 PM PT

  1. Now51°
  2. 8 PM48°
  3. 9 PM42°
  4. 10 PM40°
  5. 11 PM37°
  6. 12 AM35°Thu
  7. 1 AM34°
  8. 2 AM32°
  9. 3 AM29°
  10. 4 AM29°
  11. 5 AM28°
  12. 6 AM25°
  13. 7 AM25°
  14. 8 AM26°
  15. 9 AM30°
  16. 10 AM39°
  17. 11 AM44°
  18. 12 PM48°
  19. 1 PM52°
  20. 2 PM55°
  21. 3 PM56°
  22. 4 PM57°
  23. 5 PM58°
  24. 6 PM54°
  25. 7 PM52°
  26. 8 PM49°
  27. 9 PM45°
  28. 10 PM43°
  29. 11 PM41°
  30. 12 AM39°Fri
  31. 1 AM37°
  32. 2 AM35°
  33. 3 AM34°
  34. 4 AM32°
  35. 5 AM30°
  36. 6 AM29°
  37. 7 AM27°
  38. 8 AM26°
  39. 9 AM31°
  40. 10 AM38°
  41. 11 AM45°
  42. 12 PM49°
  43. 1 PM52°
  44. 2 PM54°
  45. 3 PM55°
  46. 4 PM55°
  47. 5 PM54°
  48. 6 PM52°

7-day forecast

Tap a day for details

  • Today10/28Low 23°High

    Tonight: Widespread frost between 11pm and 4am, then haze and widespread frost. Partly cloudy. Low around 23, with temperatures rising to around 28 overnight. East northeast wind 0 to 3 mph.

    Widespread Frost then Haze
  • Thu10/29Low 25°High 58°

    Thursday: Haze and widespread frost before noon. Mostly cloudy, with a high near 58. West northwest wind around 3 mph.

    Thursday Night: Widespread frost after 1am. Mostly cloudy. Low around 25, with temperatures rising to around 30 overnight. Southeast wind around 2 mph.

    Haze then Mostly Cloudy
  • Fri10/30Low 26°High 56°

    Friday: Widespread frost before 7am, then widespread frost and patchy fog between 7am and 10am. Mostly sunny, with a high near 56. South wind 1 to 7 mph.

    Friday Night: Widespread frost between midnight and 4am, then widespread frost and patchy fog. Mostly cloudy, with a low around 26. East southeast wind 0 to 7 mph.

    Widespread Frost then Mostly Sunny
  • Sat10/3155% chance of precipitationLow 25°High 51°

    Saturday: Patchy fog before 9am, then rain likely. Mostly cloudy, with a high near 51. Chance of precipitation is 60%.

    Saturday Night: Rain likely before 4am. Mostly cloudy, with a low around 25.

    Light Rain Likely
  • Sun11/1Low 22°High 53°

    Sunday: Mostly sunny, with a high near 53.

    Sunday Night: Mostly clear, with a low around 22.

    Mostly Sunny
  • Mon11/215% chance of precipitationLow 26°High 59°

    Monday: Mostly sunny, with a high near 59.

    Monday Night: A slight chance of rain between 10pm and 4am. Mostly cloudy, with a low around 26.

    Mostly Sunny
  • Tue11/311% chance of precipitationLow 27°High 60°

    Tuesday: Mostly sunny, with a high near 60.

    Tuesday Night: Partly cloudy, with a low around 27.

    Mostly Sunny
  • Wed11/412% chance of precipitationLow High 61°

    Wednesday: Mostly sunny, with a high near 61.

    Mostly Sunny

Forecast for 41.042, -121.405 from the NWS STO office, updated 10/28/2026, 2:01 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. Now51°Mostly Clear0%0 mph
  2. 8 PM48°Mostly Clear0%2 mph
  3. 9 PM42°Mostly Clear0%2 mph
  4. 10 PM40°Mostly Clear0%2 mph
  5. 11 PM37°Areas Of Frost0%3 mph
  6. 12 AM35°Areas Of Frost0%2 mph

Hourly details

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

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

Will it rain in McArthur, CA in the next 24 hours?
The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
What time is sunrise and sunset in McArthur, CA today?
Sunrise is about 7:32 AM PDT and sunset is about 6:06 PM PDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in McArthur, CA?
At Hat Creek, the 1991 to 2020 normal high in October is 71°F and the normal low is 30°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

Drought

By county

Shasta County, week of 10/20/2026

1% of the county is in moderate drought or worse.

Sun and moon

Local time, center of the area

Sunrise
7:32 AM
Sunset
6:06 PM
Daylight
10 hr 34 min
Moon
Waning Gibbous 90% lit
First light (civil dawn)
7:03 AM
Last light (civil dusk)
6:34 PM
Moonrise
7:35 PM
Moonset
10:46 AM

Normal October weather

Climate

Normal October high 71°, low 30°, precipitation 1.09 in for the month. 1991 to 2020 normals at Hat Creek, 11 mi away.

Other places nearby

Data sources

See something wrong? Request a correction

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.

Forecasts, observations and alerts come from the National Weather Service (api.weather.gov). Data can be delayed by minutes to hours, and an observation station may be miles from the place named on this page. This site is not affiliated with NOAA or the National Weather Service.

DatenUS is a private website and is not affiliated with or endorsed by any government agency. We republish public data from the sources listed on this page. Data can be incomplete, delayed or wrong. Always check the original source before you make a decision.

Our servers read this data automatically from government sources. Errors can come from the source itself or from the way we read, process or display it, and we do not guarantee that it is accurate, complete or current. Verify anything important with the official source.

Report an errorRead the full disclaimer