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New Plymouth, ID 83661 Weather

It is 28°F and clear in New Plymouth, ID 83661, observed at 4:40 AM MDT. Today: Mostly Sunny, high 55°F, low 34°F. Hourly and 7-day forecast from the National Weather Service. Times are local (MDT).

New Plymouth, ID 83661 current weather

28°F

Clear

H 55° / L 34°Feels like 20°

  • No rain expected in the next 12 hours

Observed at Ontario Municipal Airport (18 mi away), 10/29/2026, 4:40 AM MDT

Hourly forecast

NWS, updated 10/28/2026, 11:29 PM PT

  1. Now38°
  2. 5 AM37°
  3. 6 AM37°
  4. 7 AM34°
  5. 8 AM34°
  6. 9 AM34°
  7. 10 AM39°
  8. 11 AM44°
  9. 12 PM48°
  10. 1 PM50°
  11. 2 PM52°
  12. 3 PM54°
  13. 4 PM55°
  14. 5 PM55°
  15. 6 PM52°
  16. 7 PM47°
  17. 8 PM46°
  18. 9 PM44°
  19. 10 PM44°
  20. 11 PM43°
  21. 12 AM44°Fri
  22. 1 AM42°
  23. 2 AM42°
  24. 3 AM41°
  25. 4 AM41°
  26. 5 AM42°
  27. 6 AM41°16%
  28. 7 AM38°18%
  29. 8 AM38°16%
  30. 9 AM39°16%
  31. 10 AM43°14%
  32. 11 AM47°12%
  33. 12 PM50°12%
  34. 1 PM52°16%
  35. 2 PM54°13%
  36. 3 PM54°12%
  37. 4 PM56°13%
  38. 5 PM56°12%
  39. 6 PM54°
  40. 7 PM49°
  41. 8 PM46°
  42. 9 PM46°
  43. 10 PM45°
  44. 11 PM44°
  45. 12 AM43°Sat
  46. 1 AM42°
  47. 2 AM41°
  48. 3 AM41°

7-day forecast

Tap a day for details

  • Today10/29Low 34°High 55°

    Thursday: Mostly sunny, with a high near 55. Southeast wind around 2 mph.

    Overnight: Mostly clear, with a low around 34. East northeast wind around 2 mph.

    Mostly Sunny
  • Fri10/3018% chance of precipitationLow 38°High 56°

    Friday: A slight chance of rain showers before 2pm. Mostly cloudy, with a high near 56. Southeast wind around 2 mph. Chance of precipitation is 20%.

    Friday Night: Mostly cloudy, with a low around 38. East northeast wind around 3 mph.

    Slight Chance Rain Showers
  • Sat10/3183% chance of precipitationLow 40°High 54°

    Saturday: A chance of rain showers. Mostly cloudy, with a high near 54. Chance of precipitation is 30%.

    Saturday Night: Rain showers. Cloudy, with a low around 40. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Chance Rain Showers
  • Sun11/156% chance of precipitationLow 32°High 51°

    Sunday: Rain showers likely before 5pm. Partly sunny, with a high near 51. Chance of precipitation is 60%.

    Sunday Night: Mostly clear, with a low around 32.

    Rain Showers Likely
  • Mon11/2Low 33°High 51°

    Monday: Sunny, with a high near 51.

    Monday Night: Mostly cloudy, with a low around 33.

    Sunny
  • Tue11/3Low 34°High 53°

    Tuesday: Partly sunny, with a high near 53.

    Tuesday Night: Mostly cloudy, with a low around 34.

    Partly Sunny
  • Wed11/4Low High 55°

    Wednesday: Mostly sunny, with a high near 55.

    Mostly Sunny

Forecast for 44.131, -116.683 from the NWS BOI office, updated 10/28/2026, 11:29 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. Now38°Mostly Clear1%2 mph
  2. 5 AM37°Mostly Clear1%2 mph
  3. 6 AM37°Sunny0%2 mph
  4. 7 AM34°Mostly Sunny0%2 mph
  5. 8 AM34°Partly Sunny0%2 mph
  6. 9 AM34°Partly Sunny0%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

What is the weather in New Plymouth, ID 83661 right now?
The latest observation from Ontario Municipal Airport was 28°F and clear, reported at 10/29/2026, 4:40 AM MDT.
What is the high temperature today in New Plymouth, ID 83661?
The National Weather Service forecast for thursday calls for a high near 55°F. Mostly Sunny.
Will it rain in New Plymouth, ID 83661 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 New Plymouth, ID 83661 today?
Sunrise is about 8:19 AM MDT and sunset is about 6:40 PM MDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in New Plymouth, ID 83661?
At Payette, the 1991 to 2020 normal high in October is 67°F and the normal low is 39°F.

Rain and snow totals

Next 3 days, NWS forecast grid

Rain (liquid)
0.23 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)
35GoodPM2.5
AQI forecast tomorrow (Boise)
GoodPM2.5

UV index guide · Air quality

Drought

By county

Payette County, week of 10/20/2026

29% of the county is in moderate drought or worse.

Sun and moon

Local time, center of the area

Sunrise
8:19 AM
Sunset
6:40 PM
Daylight
10 hr 21 min
Moon
Waning Gibbous 88% lit
First light (civil dawn)
7:50 AM
Last light (civil dusk)
7:10 PM
Moonrise
9:01 PM
Moonset
12:51 PM

Normal October weather

Climate

Normal October high 67°, low 39°, precipitation 0.63 in for the month. 1991 to 2020 normals at Payette, 13 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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