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Star, ID Weather

It is 43°F and mostly cloudy in Star, ID, observed at 1:56 AM MDT. Today: Areas Of Fog then Chance Rain Showers, high 58°F, low 38°F. Hourly and 10-day forecast from the National Weather Service. Times are local (MDT).

Star, ID current weather

43°F

Mostly Cloudy

H 58° / L 38°Feels like 40°

  • No rain expected in the next 12 hours

Observed at Caldwell - Caldwell Industrial Airport (8 mi away), 10/31/2026, 1:56 AM MDT

Hourly forecast

NWS, updated 10/30/2026, 11:30 PM PT

  1. Now42°
  2. 3 AM41°
  3. 4 AM40°
  4. 5 AM39°
  5. 6 AM39°
  6. 7 AM39°
  7. 8 AM38°
  8. 9 AM39°10%
  9. 10 AM43°10%
  10. 11 AM47°12%
  11. 12 PM50°
  12. 1 PM54°
  13. 2 PM56°
  14. 3 PM57°
  15. 4 PM58°13%
  16. 5 PM57°32%
  17. 6 PM56°48%
  18. 7 PM53°65%
  19. 8 PM49°66%
  20. 9 PM47°79%
  21. 10 PM46°84%
  22. 11 PM46°87%
  23. 12 AM45°69%Sun
  24. 1 AM45°82%
  25. 1 AM45°80%
  26. 2 AM44°85%
  27. 3 AM44°78%
  28. 4 AM43°70%
  29. 5 AM43°63%
  30. 6 AM42°57%
  31. 7 AM42°51%
  32. 8 AM44°47%
  33. 9 AM46°46%
  34. 10 AM50°43%
  35. 11 AM52°40%
  36. 12 PM53°18%
  37. 1 PM55°31%
  38. 2 PM54°23%
  39. 3 PM55°12%
  40. 4 PM55°14%
  41. 5 PM53°
  42. 6 PM51°
  43. 7 PM48°
  44. 8 PM46°
  45. 9 PM44°
  46. 10 PM42°
  47. 11 PM40°
  48. 12 AM39°Mon

10-day forecast

Tap a day for details

  • Today10/3132% chance of precipitationLow 38°High 58°

    Saturday: Areas of fog before 10am, then a chance of rain showers. Mostly cloudy, with a high near 58. South wind 1 to 5 mph. Chance of precipitation is 30%.

    Overnight: Areas of fog. Partly cloudy, with a low around 38. East wind around 2 mph.

    Areas Of Fog then Chance Rain Showers
  • Sun11/157% chance of precipitationLow 32°High 56°

    Sunday: Rain showers likely and patchy fog before 3pm. Cloudy, with a high near 56. Northwest wind 3 to 10 mph. Chance of precipitation is 60%.

    Sunday Night: Partly cloudy, with a low around 32. Northwest wind 6 to 14 mph, with gusts as high as 24 mph.

    Rain Showers Likely
  • Mon11/2Low 36°High 55°

    Monday: Patchy fog between 8am and 9am. Sunny, with a high near 55.

    Monday Night: Partly cloudy, with a low around 36.

    Patchy Fog then Sunny
  • Tue11/3Low 36°High 58°

    Tuesday: Partly sunny, with a high near 58.

    Tuesday Night: Areas of fog after 11pm. Partly cloudy, with a low around 36.

    Partly Sunny
  • Wed11/413% chance of precipitationLow 36°High 57°

    Wednesday: Areas of fog before 9am. Mostly sunny, with a high near 57.

    Wednesday Night: Mostly cloudy, with a low around 36.

    Areas Of Fog then Mostly Sunny
  • Thu11/525% chance of precipitationLow 36°High 58°

    Thursday: Partly sunny, with a high near 58.

    Thursday Night: Patchy fog between midnight and 2am, then a chance of rain showers. Mostly cloudy, with a low around 36. Chance of precipitation is 30%.

    Partly Sunny
  • Fri11/638% chance of precipitationLow High 58°

    Friday: A chance of rain showers before 7am, then a chance of rain showers and patchy fog between 7am and 5pm. Partly sunny, with a high near 58.

    Chance Rain Showers
  • Sat11/7Model blendLow 34°High 58°

    Saturday: Mostly sunny. High near 58°. Low that night near 34°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Sun11/8Model blendLow 36°High 60°

    Sunday: Partly cloudy. High near 60°. Low that night near 36°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Mon11/9Model blend11% chance of precipitationLow 37°High 59°

    Monday: Mostly cloudy. High near 59°. Low that night near 37°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

Forecast for 43.711, -116.502 from the NWS BOI office, updated 10/30/2026, 11:30 PM PT · Official forecast on weather.gov

Days 8 to 10: NOAA National Blend of Models, station KEUL (Caldwell Ind Arpt, 8 mi), model run 10/30/2026, 8:00 PM MDT

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. Now42°Areas Of Fog2%2 mph
  2. 3 AM41°Areas Of Fog2%2 mph
  3. 4 AM40°Areas Of Fog2%2 mph
  4. 5 AM39°Areas Of Fog2%1 mph
  5. 6 AM39°Areas Of Fog8%1 mph
  6. 7 AM39°Patchy Fog7%1 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

What is the weather in Star, ID right now?
The latest observation from Caldwell - Caldwell Industrial Airport was 43°F and mostly cloudy, reported at 10/31/2026, 1:56 AM MDT.
What is the high temperature today in Star, ID?
The National Weather Service forecast for saturday calls for a high near 58°F. Areas Of Fog then Chance Rain Showers.
Will it rain in Star, ID in the next 24 hours?
The hourly forecast shows a 65% chance of precipitation around 10/31/2026, 7:00 PM MDT.
What is the 10-day forecast for Star, ID?
The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 7 to Nov 9) come from the NOAA National Blend of Models, with highs of 58°F to 60°F. Model guidance this far out often changes.
What time is sunrise and sunset in Star, ID today?
Sunrise is about 8:21 AM MDT and sunset is about 6:38 PM MDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Star, ID?
At Nampa Sugar Factory, the 1991 to 2020 normal high in October is 67°F and the normal low is 37°F.

Rain and snow totals

Next 3 days, NWS forecast grid

Rain (liquid)
0.32 in
Snow
0.00 in
Ice
0.00 in

Nearby hazards

Idaho 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 (Boise)
39GoodPM2.5
AQI forecast tomorrow (Boise)
36GoodPM2.5

UV index guide · Air quality

Drought

By county

Ada County, week of 10/27/2026

68% of the county is in moderate drought or worse.

Sun and moon

Local time, center of the area

Sunrise
8:21 AM
Sunset
6:38 PM
Daylight
10 hr 17 min
Moon
Waning Gibbous 72% lit
First light (civil dawn)
7:51 AM
Last light (civil dusk)
7:07 PM
Moonrise
11:36 PM
Moonset
2:34 PM

Normal October weather

Climate

Normal October high 67°, low 37°, precipitation 0.80 in for the month. 1991 to 2020 normals at Nampa Sugar Factory, 8 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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