New Plymouth, ID Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for New Plymouth, ID in one place.
Partly sunny, with a high near 68.
Local Weather Overview
This forecast page for New Plymouth, ID is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 15, 2026 1:55 PM MDT.
The active forecast window currently covers Apr 19 to Apr 21, 2026 for New Plymouth, ID.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 19 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 1:55 PM MDT
- Forecast office
- BOI
- Source
- NOAA / NWS
Daily Outlook
This Week in New Plymouth
Tuesday looks like the warmest upcoming period in New Plymouth at 73 degrees F.
Sunday Night is the coolest period ahead with temperatures near 43 degrees F.
The strongest winds are forecast for Sunday at about 7 to 10 mph E.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 1:55 PM MDT
- Coverage
- 4 days
- Time zone
- America/Boise
- Forecast office
- BOI
- Radar station
- KCBX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of rain showers before midnight. Mostly cloudy, with a low around 43. Chance of precipitation is 20%.
A slight chance of rain showers after noon. Partly sunny, with a high near 70. Chance of precipitation is 20%.
A slight chance of rain showers. Partly cloudy, with a low around 45. Chance of precipitation is 20%.
A slight chance of rain showers after noon. Mostly sunny, with a high near 73. Chance of precipitation is 20%.
A slight chance of rain showers. Partly cloudy, with a low around 46.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Apr 19
|
Partly Sunny
|
68°F |
7 to 10 mph
E
|
|
Sunday Night
Apr 19
|
Slight Chance Rain Showers then Mostly Cloudy
|
43°F |
8 mph
NNE
|
|
Monday
Apr 20
|
Partly Sunny then Slight Chance Rain Showers
|
70°F |
5 to 9 mph
NNW
|
|
Monday Night
Apr 20
|
Slight Chance Rain Showers
|
45°F |
8 mph
NNW
|
|
Tuesday
Apr 21
|
Mostly Sunny then Slight Chance Rain Showers
|
73°F |
9 mph
N
|
|
Tuesday Night
Apr 21
|
Slight Chance Rain Showers
|
46°F |
9 mph
WNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around New Plymouth.
