Weather forecast for 10 daysFirth, ID
Weather forecast for the weekend
Sunday Oct 18, 2026
- 68°F
- 32°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 5mphNW 317°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:46 am MDT
- Sunset: 6:41 pm MDT
- details ▼
Tomorrow, on Sunday, moderate cloud cover will mix with sunshine throughout the day.
Temperatures are anticipated to move from a peak of a delightful 68°F to a low of a cold 32°F.
Expect temperatures to match September's average maximum of 72.9°F rather than October's 55.4°F.
Sunrise will be at 7:46 am and sunset at 6:41 pm; tomorrow's daylight will last for 10h and 55min.
Temperatures are anticipated to move from a peak of a delightful 68°F to a low of a cold 32°F.
Expect temperatures to match September's average maximum of 72.9°F rather than October's 55.4°F.
Sunrise will be at 7:46 am and sunset at 6:41 pm; tomorrow's daylight will last for 10h and 55min.
10-day overview
Daily temperatures
Warmest day: Monday 70°C.
Minimum temperature: 50°C.
Minimum temperature: 50°C.
Chance of precipitation
Highest chance: Friday 69%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 32°F
Mostly Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 13mphSE 127°
- Humidity: 58%
- UV index: 0
- Sunrise: 7:45 am MDT
- Sunset: 6:42 pm MDT
- details ▼
- Sunday
- Oct 18, 2026
- 68°F
- 32°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 5mphNW 317°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:46 am MDT
- Sunset: 6:41 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 70°F
- 41°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 7mphS 191°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:47 am MDT
- Sunset: 6:39 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 66°F
- 41°F
Partly Cloudy
- Precip. probability: 23%
- Precipitation: 0"
- Wind: 6mphSE 136°
- Humidity: 63%
- UV index: 3
- Sunrise: 7:49 am MDT
- Sunset: 6:37 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 68°F
- 43°F
Mostly Sunny
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 6mphSSE 148°
- Humidity: 67%
- UV index: 3
- Sunrise: 7:50 am MDT
- Sunset: 6:36 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 64°F
- 45°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0.16"
- Wind: 7mphSSE 162°
- Humidity: 72%
- UV index: 3
- Sunrise: 7:51 am MDT
- Sunset: 6:34 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 50°F
- 34°F
Rain
- Precip. probability: 69%
- Precipitation: 0.31"
- Wind: 14mphSW 223°
- Humidity: 95%
- UV index: 2
- Sunrise: 7:52 am MDT
- Sunset: 6:33 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 50°F
- 36°F
Partly Cloudy
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 9mphSW 216°
- Humidity: 76%
- UV index: 3
- Sunrise: 7:54 am MDT
- Sunset: 6:31 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 55°F
- 34°F
Partly Cloudy
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 7mphS 186°
- Humidity: 70%
- UV index: 3
- Sunrise: 7:55 am MDT
- Sunset: 6:30 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 50°F
- 32°F
Partly Cloudy
- Precip. probability: 17%
- Precipitation: 0"
- Wind: 7mphWSW 243°
- Humidity: 79%
- UV index: 3
- Sunrise: 7:56 am MDT
- Sunset: 6:28 pm MDT
- details ▼
During the ten-day period, primarily cloudy and occasionally clear and showery weather is expected.
Rain is anticipated on Thursday and Friday.
Substantial differences in temperature are forecasted in the upcoming period. Maximum temperatures are forecasted between 50°F and 69.8°F, while the lowest night temperatures will vary also significantly, as nighttime lows are forecast to fall between 32°F and 44.6°F.
Monday will be the warmest day, with a maximum temperature of 69.8°F; with a maximum temperature of 50°F, Friday, next Saturday and Monday will be the coldest days.
Rain is anticipated on Thursday and Friday.
Substantial differences in temperature are forecasted in the upcoming period. Maximum temperatures are forecasted between 50°F and 69.8°F, while the lowest night temperatures will vary also significantly, as nighttime lows are forecast to fall between 32°F and 44.6°F.
Monday will be the warmest day, with a maximum temperature of 69.8°F; with a maximum temperature of 50°F, Friday, next Saturday and Monday will be the coldest days.
Updated: Oct 17, 2026 @ 23:00:36 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
On Sunday, clouds and sunshine will alternate throughout the day.
Tomorrow, the maximum temperature will be 68°F, while the minimum temperature will be 32°F.
The highest temperature tomorrow will be uncommonly higher than the average maximum of 55.4°F in October. Tomorrow, the lowest temperature will be a few degrees lower than the average low temperature.
The highest temperature tomorrow will be uncommonly higher than the average maximum of 55.4°F in October. Tomorrow, the lowest temperature will be a few degrees lower than the average low temperature.
On Sunday, in Firth, sunrise will be at 7:46 am and sunset at 6:41 pm (MDT).
In Firth, the length of the day tomorrow will be 10h and 55min.
