Weather forecast for 10 daysFairfield, MT
Weather forecast for the weekend
Sunday Oct 18, 2026
- 57°F
- 34°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 9mphE 94°
- Humidity: 53%
- UV index: 3
- Sunrise: 7:51 am MDT
- Sunset: 6:34 pm MDT
- details ▼
On Sunday, October 18, variable cloud cover will persist, but sunshine will break through.
Anticipated temperature values will span from a moderate 57.2°F down to an icy 33.8°F.
Today's peak temperature is expected to be a few degrees higher than October's average high of 52.3°F.
Sunrise will be at 7:51 am and sunset at 6:34 pm; the daylight will last for 10h and 43min.
Anticipated temperature values will span from a moderate 57.2°F down to an icy 33.8°F.
Today's peak temperature is expected to be a few degrees higher than October's average high of 52.3°F.
Sunrise will be at 7:51 am and sunset at 6:34 pm; the daylight will last for 10h and 43min.
10-day overview
Daily temperatures
Warmest period: Wednesday - Thursday 68°C.
Coldest day: Monday 26.10. 34°C.
Coldest day: Monday 26.10. 34°C.
Chance of precipitation
Highest chance: Friday 77%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 57°F
- 34°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 9mphE 94°
- Humidity: 53%
- UV index: 3
- Sunrise: 7:51 am MDT
- Sunset: 6:34 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 66°F
- 36°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 12mphSSW 196°
- Humidity: 50%
- UV index: 3
- Sunrise: 7:53 am MDT
- Sunset: 6:32 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 57°F
- 34°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 8mphNNW 346°
- Humidity: 57%
- UV index: 2
- Sunrise: 7:54 am MDT
- Sunset: 6:30 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 68°F
- 43°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 12mphSSW 200°
- Humidity: 53%
- UV index: 3
- Sunrise: 7:56 am MDT
- Sunset: 6:28 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 68°F
- 45°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0.2"
- Wind: 11mphSSW 209°
- Humidity: 50%
- UV index: 2
- Sunrise: 7:57 am MDT
- Sunset: 6:27 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 48°F
- 30°F
AM Rain
- Precip. probability: 77%
- Precipitation: 0.12"
- Wind: 16mphWNW 295°
- Humidity: 74%
- UV index: 2
- Sunrise: 7:58 am MDT
- Sunset: 6:25 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 41°F
- 27°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 11mphWSW 239°
- Humidity: 68%
- UV index: 2
- Sunrise: 8:00 am MDT
- Sunset: 6:23 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 36°F
- 27°F
Mostly Cloudy
- Precip. probability: 24%
- Precipitation: 0.12"
- Wind: 12mphNNW 341°
- Humidity: 77%
- UV index: 2
- Sunrise: 8:01 am MDT
- Sunset: 6:21 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 34°F
- 25°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 10mphWNW 296°
- Humidity: 77%
- UV index: 2
- Sunrise: 8:03 am MDT
- Sunset: 6:20 pm MDT
- details ▼
- Tuesday
- Oct 27, 2026
- 37°F
- 27°F
Partly Cloudy
- Precip. probability: 23%
- Precipitation: 0"
- Wind: 11mphW 267°
- Humidity: 82%
- UV index: 2
- Sunrise: 8:04 am MDT
- Sunset: 6:18 pm MDT
- details ▼
Looking ahead, conditions suggest a period of primarily gloomy and occasionally dry and sunny and rain-soaked weather is predicted.
Rain is predicted for Friday and next Sunday.
Expect a substantial fluctuation in daytime highs across the forecast period. Forecast highs will fluctuate between 33.8°F and 68°F, while the lowest nightly temperature differences will be also quite pronounced, as nighttime lows are forecast to fall between 24.8°F and 44.6°F.
Wednesday and Thursday, with the highest temperature of 68°F, will be the warmest days; next Monday will be the coldest day, with the highest temperature of 33.8°F.
Rain is predicted for Friday and next Sunday.
Expect a substantial fluctuation in daytime highs across the forecast period. Forecast highs will fluctuate between 33.8°F and 68°F, while the lowest nightly temperature differences will be also quite pronounced, as nighttime lows are forecast to fall between 24.8°F and 44.6°F.
Wednesday and Thursday, with the highest temperature of 68°F, will be the warmest days; next Monday will be the coldest day, with the highest temperature of 33.8°F.
Updated: Oct 18, 2026 @ 09:58:22 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
Today, sunlight and clouds will take turns dominating the sky.
Today, the maximum temperature will be 57.2°F, while the minimum temperature will be 33.8°F.
Today, the highest temperature will be moderately higher than the average maximum temperature in October. Today, the lowest temperature will be in line with the average low temperature.
Today, the highest temperature will be moderately higher than the average maximum temperature in October. Today, the lowest temperature will be in line with the average low temperature.
On Sunday, in Fairfield, sunrise will be at 7:51 am and sunset at 6:34 pm (MDT).
In Fairfield, today, there will be 10h and 43min of daylight.
