Firth, ID Weather Forecast
Local 7-day forecast
Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Firth, ID in one place.
Rain showers and patchy fog. Cloudy. High near 48, with temperatures falling to around 45 in the afternoon. South southeast wind 7 to 12 mph, with gusts as high as 22 mph. Chance of precipitation is 100%.
Local Weather Overview
This forecast page for Firth, 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: Oct 31, 2026 8:24 AM MDT.
The active forecast window currently covers Nov 1 to Nov 6, 2026 for Firth, ID.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 1 to Nov 6, 2026
- Latest sync
- Oct 31, 2026 8:24 AM MDT
- Forecast office
- PIH
- Source
- NOAA / NWS
Daily Outlook
This Week in Firth
Monday looks like the warmest upcoming period in Firth at 50 degrees F.
Friday Night is the coolest period ahead with temperatures near 27 degrees F.
The strongest winds are forecast for Sunday Night at about 13 mph WSW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 31, 2026 8:24 AM MDT
- Coverage
- 7 days
- Time zone
- America/Boise
- Forecast office
- PIH
- Radar station
- KSFX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Rain showers. Cloudy, with a low around 35. West southwest wind around 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.
A slight chance of rain showers before 8am, then a slight chance of rain and snow showers between 8am and 11am, then patchy fog. Mostly sunny, with a high near 50. Southwest wind 5 to 12 mph. Chance of precipitation is 20%.
Areas of fog before 5am. Partly cloudy, with a low around 32.
Partly sunny, with a high near 46.
Mostly cloudy, with a low around 30.
Partly sunny, with a high near 46.
Partly cloudy, with a low around 29.
Partly sunny, with a high near 46.
Mostly cloudy, with a low around 29.
A slight chance of rain after 11am. Partly sunny, with a high near 47. Chance of precipitation is 20%.
A slight chance of rain before 11pm. Mostly cloudy, with a low around 27. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Nov 1
|
Rain Showers
|
48°F |
7 to 12 mph
SSE
|
|
Sunday Night
Nov 1
|
Rain Showers
|
35°F |
13 mph
WSW
|
|
Monday
Nov 2
|
Slight Chance Rain And Snow Showers then Patchy Fog
|
50°F |
5 to 12 mph
SW
|
|
Monday Night
Nov 2
|
Areas Of Fog
|
32°F |
5 mph
SSE
|
|
Tuesday
Nov 3
|
Partly Sunny
|
46°F |
5 mph
NE
|
|
Tuesday Night
Nov 3
|
Mostly Cloudy
|
30°F |
3 to 7 mph
N
|
|
Wednesday
Nov 4
|
Partly Sunny
|
46°F |
3 to 7 mph
WSW
|
|
Wednesday Night
Nov 4
|
Partly Cloudy
|
29°F |
5 mph
SSW
|
|
Thursday
Nov 5
|
Partly Sunny
|
46°F |
3 mph
SSW
|
|
Thursday Night
Nov 5
|
Mostly Cloudy
|
29°F |
3 mph
SSW
|
|
Friday
Nov 6
|
Slight Chance Light Rain
|
47°F |
2 to 6 mph
SW
|
|
Friday Night
Nov 6
|
Slight Chance Light Rain then Mostly Cloudy
|
27°F |
5 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Firth.