Weather forecast for tomorrowFirth, ID
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 68°F
- 32°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 5mphNW 317°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:46 am MDT
- Sunset: 6:41 pm MDT
- details ▼
On Sunday, in Firth, mostly clear with scattered clouds is also expected.
Day and night temperatures will contrast sharply, from a maximum of a pleasant 68°F to a minimum of a cold 32°F.
Tomorrow, meteorological data suggests the high will feel more like September, based on a forecast of 68°F.
Sunrise will be at 7:46 am and sunset at 6:41 pm; tomorrow's daylight will last for 10h and 55min.
Day and night temperatures will contrast sharply, from a maximum of a pleasant 68°F to a minimum of a cold 32°F.
Tomorrow, meteorological data suggests the high will feel more like September, based on a forecast of 68°F.
Sunrise will be at 7:46 am and sunset at 6:41 pm; tomorrow's daylight will last for 10h and 55min.
Hourly overview
Hourly temperatures
Warmest period: 3 pm - 6 pm 64°C.
Coldest hour: 6 am 34°C.
Coldest hour: 6 am 34°C.
Chance of precipitation
Highest chance: 6 am 3%.
Hourly weather forecast
- 12 am
- 43°F
- Feels like:39°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 5mphSSE 149°
- Humidity: 67%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 39°F
- Feels like:36°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphE 82°
- Humidity: 72%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 37°F
- Feels like:34°F
Mostly Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 5mphNE 54°
- Humidity: 74%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 34°F
- Feels like:30°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 5mphNE 47°
- Humidity: 79%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:46 am
- 8 am
- 32°F
- Feels like:28°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphNE 44°
- Humidity: 82%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 45°F
- Feels like:41°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphNNE 18°
- Humidity: 62%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 57°F
- Feels like:57°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphNNW 340°
- Humidity: 40%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 63°F
- Feels like:63°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphW 270°
- Humidity: 32%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 66°F
- Feels like:66°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphWSW 240°
- Humidity: 30%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 6 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSW 221°
- Humidity: 39%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:41 pm
- 8 pm
- 54°F
- Feels like:52°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphSE 143°
- Humidity: 55%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 46°F
- Feels like:46°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphSE 132°
- Humidity: 67%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, a combination of overcast and bright weather is expected.
The temperature will vary between a minimum of 32°F and a maximum of 66.2°F. The warmest part of the day will be at 4 pm and 5 pm.
The day’s peak temperature will reflect September's norm of 72.9°F more than October's 55.4°F. Tomorrow, the temperature is expected to be a couple of degrees lower than October's normal minimum of 37.2°F.
The temperature will vary between a minimum of 32°F and a maximum of 66.2°F. The warmest part of the day will be at 4 pm and 5 pm.
The day’s peak temperature will reflect September's norm of 72.9°F more than October's 55.4°F. Tomorrow, the temperature is expected to be a couple of degrees lower than October's normal minimum of 37.2°F.
Updated: Oct 18, 2026 @ 00:09:04 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Tomorrow, in Firth, clouds and sunshine will create a dynamic sky throughout the day.
Tomorrow, the highest temperature will be 68°F, while the lowest temperature will be 32°F.
The highest temperature tomorrow will be uncommonly higher than the average maximum of 55.4°F in October. The lowest temperature will be a few degrees lower than the average low of 37.2°F.
The highest temperature tomorrow will be uncommonly higher than the average maximum of 55.4°F in October. The lowest temperature will be a few degrees lower than the average low of 37.2°F.
On Sunday, in Firth, sunrise will be at 7:46 am and sunset at 6:41 pm (MDT).
Tomorrow, the daylight will last for 10h and 55min.
