Weather forecast for 10 daysFallon, MT

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 73°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 15mphSW 234°
  • Humidity: 32%
  • UV index: 3
  • Sunrise: 7:21 am MDT
  • Sunset: 6:09 pm MDT
  • ▼
Today, on Saturday, October 17, sun-filled skies will remain for most of the day.
A stark contrast will be evident between the daytime peak temperature of a temperate 73.4°F and the nighttime low of a cold 41°F.
Meteorological data shows 73.4°F is more characteristic of September's climate profile than October's.
Sunrise was at 7:21 am and sunset will be at 6:09 pm; the daylight will last for 10h and 49min.

Sunday Oct 18, 2026

  • 64°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphNNE 16°
  • Humidity: 44%
  • UV index: 3
  • Sunrise: 7:23 am MDT
  • Sunset: 6:08 pm MDT
  • ▼
Tomorrow, on Sunday, a glowing sky and minimal clouds are expected.
The highest temperature will be an enjoyable 64.4°F, while the lowest forecasted temperature is an icy 39.2°F.
Weather conditions lean warmer, with the temperature tracking September's average high of 73°F.
Sunrise will be at 7:23 am and sunset at 6:08 pm; tomorrow's daylight will last for 10h and 45min.

10-day overview

Daily temperatures

Warmest day: today 73°C.
Minimum temperature: 54°C.

Chance of precipitation

Highest chance: Saturday 24.10. 35%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 73°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 15mphSW 234°
  • Humidity: 32%
  • UV index: 3
  • Sunrise: 7:21 am MDT
  • Sunset: 6:09 pm MDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 64°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphNNE 16°
  • Humidity: 44%
  • UV index: 3
  • Sunrise: 7:23 am MDT
  • Sunset: 6:08 pm MDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 70°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 17mphSE 141°
  • Humidity: 42%
  • UV index: 3
  • Sunrise: 7:24 am MDT
  • Sunset: 6:06 pm MDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 70°F
  • 37°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 7mphW 272°
  • Humidity: 57%
  • UV index: 3
  • Sunrise: 7:25 am MDT
  • Sunset: 6:04 pm MDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 66°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 18%
  • Precipitation: 0"
  • Wind: 8mphENE 78°
  • Humidity: 59%
  • UV index: 3
  • Sunrise: 7:27 am MDT
  • Sunset: 6:02 pm MDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 72°F
  • 52°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 9mphS 191°
  • Humidity: 57%
  • UV index: 3
  • Sunrise: 7:28 am MDT
  • Sunset: 6:01 pm MDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 72°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0.35"
  • Wind: 13mphSSW 197°
  • Humidity: 61%
  • UV index: 2
  • Sunrise: 7:30 am MDT
  • Sunset: 5:59 pm MDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 54°F
  • 36°F
AM Showers
AM Showers
  • Precip. probability: 35%
  • Precipitation: 0.08"
  • Wind: 18mphWNW 302°
  • Humidity: 56%
  • UV index: 2
  • Sunrise: 7:31 am MDT
  • Sunset: 5:57 pm MDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 55°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 11mphESE 116°
  • Humidity: 62%
  • UV index: 2
  • Sunrise: 7:33 am MDT
  • Sunset: 5:55 pm MDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 54°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 12mphNE 37°
  • Humidity: 64%
  • UV index: 2
  • Sunrise: 7:34 am MDT
  • Sunset: 5:54 pm MDT
  • ▼
Over the next ten days, a mix of clear, cloud-filled and damp weather is expected.
Rain is forecasted for Friday and next Saturday.
The temperature will vary considerably in the coming days. The maximum temperature will vary between 53.6°F and 73.4°F, while there will be also a marked difference in overnight low temperatures, as the overnight lows will vary from 35.6°F to 51.8°F.
The warmest day is today, with a maximum temperature of 73.4°F; the coldest days will be next Saturday and Monday, with a maximum of 53.6°F.
Updated: Oct 17, 2026 @ 16:35:25 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, a crisp, sunny atmosphere is likely.

Today, the highest temperature will be 73.4°F, while the lowest temperature will be 41°F.
The maximum temperature will be notably higher than the average highest temperature of 54.7°F in October. The lowest temperature will be in line with the average low of 40.1°F.

On Saturday, in Fallon, sunrise was at 7:21 am and sunset will be at 6:09 pm (MDT).

Today, the daylight will last for 10h and 49min.

Tomorrow, mostly clear skies and sunshine will create ideal daytime conditions.

Tomorrow, the maximum temperature in Fallon will be 64.4°F, while the minimum temperature will be 39.2°F.
The maximum temperature tomorrow will be notably higher than the average highest temperature of 54.7°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.

On Sunday, in Fallon, sunrise will be at 7:23 am and sunset at 6:08 pm (MDT).

In Fallon, the length of the day tomorrow will be 10h and 45min.