Weather forecast for 10 daysPerma, MT
Weather forecast for the weekend
Saturday Oct 17, 2026
- min.
- 37°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 14mphWSW 237°
- Humidity: 62%
- UV index: 0
- Sunrise: 8:00 am MDT
- Sunset: 6:47 pm MDT
- details ▼
For the rest of Saturday, thin clouds will pass through at times, but overall, it will remain bright.
The lowest predicted temperature is an icy 37.4°F.
Sunrise was at 8:00 am and sunset will be at 6:47 pm; the daylight will last for 10h and 47min.
The lowest predicted temperature is an icy 37.4°F.
Sunrise was at 8:00 am and sunset will be at 6:47 pm; the daylight will last for 10h and 47min.
Sunday Oct 18, 2026
- 61°F
- 37°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 5mphENE 70°
- Humidity: 64%
- UV index: 3
- Sunrise: 8:01 am MDT
- Sunset: 6:45 pm MDT
- details ▼
On Sunday, in Perma, conditions remain stable and sunny, with little cloud presence.
The maximum temperature will be a comfortable 60.8°F, while the minimum temperature will be a wintry 37.4°F.
The forecast high of 60.8°F aligns more closely with September's typical high of 68.5°F than with October's usual 51.8°F.
Sunrise will be at 8:01 am and sunset at 6:45 pm; tomorrow's daylight will last for 10h and 44min.
The maximum temperature will be a comfortable 60.8°F, while the minimum temperature will be a wintry 37.4°F.
The forecast high of 60.8°F aligns more closely with September's typical high of 68.5°F than with October's usual 51.8°F.
Sunrise will be at 8:01 am and sunset at 6:45 pm; tomorrow's daylight will last for 10h and 44min.
10-day overview
Daily temperatures
Warmest day: today 72°C.
Coldest day: Monday 26.10. 46°C.
Coldest day: Monday 26.10. 46°C.
Chance of precipitation
Highest chance: Thursday 40%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 37°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 14mphWSW 237°
- Humidity: 62%
- UV index: 0
- Sunrise: 8:00 am MDT
- Sunset: 6:47 pm MDT
- details ▼
- Sunday
- Oct 18, 2026
- 61°F
- 37°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 5mphENE 70°
- Humidity: 64%
- UV index: 3
- Sunrise: 8:01 am MDT
- Sunset: 6:45 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 63°F
- 41°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 3mphENE 73°
- Humidity: 64%
- UV index: 3
- Sunrise: 8:03 am MDT
- Sunset: 6:43 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 63°F
- 39°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphNE 36°
- Humidity: 63%
- UV index: 2
- Sunrise: 8:04 am MDT
- Sunset: 6:41 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 64°F
- 43°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphE 92°
- Humidity: 63%
- UV index: 3
- Sunrise: 8:06 am MDT
- Sunset: 6:39 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 63°F
- 43°F
PM Showers
- Precip. probability: 40%
- Precipitation: 0.2"
- Wind: 4mphSSE 159°
- Humidity: 69%
- UV index: 2
- Sunrise: 8:07 am MDT
- Sunset: 6:38 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 48°F
- 32°F
AM Showers
- Precip. probability: 39%
- Precipitation: 0.08"
- Wind: 9mphWSW 255°
- Humidity: 84%
- UV index: 2
- Sunrise: 8:08 am MDT
- Sunset: 6:36 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 48°F
- 32°F
Partly Cloudy
- Precip. probability: 11%
- Precipitation: 0"
- Wind: 4mphSW 216°
- Humidity: 70%
- UV index: 2
- Sunrise: 8:10 am MDT
- Sunset: 6:34 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 48°F
- 32°F
AM Showers
- Precip. probability: 31%
- Precipitation: 0.04"
- Wind: 5mphNE 39°
- Humidity: 75%
- UV index: 2
- Sunrise: 8:11 am MDT
- Sunset: 6:32 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 46°F
- 34°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 4mphNE 34°
- Humidity: 76%
- UV index: 2
- Sunrise: 8:13 am MDT
- Sunset: 6:31 pm MDT
- details ▼
Models point to a combination of overcast, rain-soaked and dry and sunny weather is forecasted.
Rain is predicted for Thursday, Friday and next Sunday.
Substantial differences in temperature are forecasted in the upcoming period. Highs will range from 46.4°F to 64.4°F, while the forecast minimum temperature falls between 32°F and 42.8°F.
The warmest day will be Wednesday, with a maximum of 64.4°F; the coldest day will be next Monday, with a maximum of 46.4°F.
Rain is predicted for Thursday, Friday and next Sunday.
Substantial differences in temperature are forecasted in the upcoming period. Highs will range from 46.4°F to 64.4°F, while the forecast minimum temperature falls between 32°F and 42.8°F.
The warmest day will be Wednesday, with a maximum of 64.4°F; the coldest day will be next Monday, with a maximum of 46.4°F.
Updated: Oct 17, 2026 @ 21:57:37 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, in Perma, the weather remains calm, bright, and sunny.
Tomorrow, the maximum temperature will be 60.8°F, while the minimum temperature will be 37.4°F.
The highest temperature tomorrow will be a couple of degrees higher than the average maximum temperature in October. The lowest temperature will be also a couple of degrees higher than the average low of 32.7°F.
The highest temperature tomorrow will be a couple of degrees higher than the average maximum temperature in October. The lowest temperature will be also a couple of degrees higher than the average low of 32.7°F.
On Sunday, in Perma, sunrise will be at 8:01 am and sunset at 6:45 pm (MDT).
Tomorrow, the daylight will last for 10h and 44min.
