Weather forecast for 10 daysOlney, MT
Weather forecast for the weekend
Sunday Oct 18, 2026
- 59°F
- 34°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 4mphE 94°
- Humidity: 61%
- UV index: 3
- Sunrise: 8:03 am MDT
- Sunset: 6:43 pm MDT
- details ▼
On Sunday, in Olney, bright and sunny weather is also expected.
The temperature is predicted to vary between a moderate 59°F and a cold 33.8°F.
Tomorrow, climate comparisons show a temperature closer to September's 65.3°F than October's 48.7°F.
Sunrise will be at 8:03 am and sunset at 6:43 pm; tomorrow's daylight will last for 10h and 40min.
The temperature is predicted to vary between a moderate 59°F and a cold 33.8°F.
Tomorrow, climate comparisons show a temperature closer to September's 65.3°F than October's 48.7°F.
Sunrise will be at 8:03 am and sunset at 6:43 pm; tomorrow's daylight will last for 10h and 40min.
10-day overview
Daily temperatures
Warmest period: Tuesday - Thursday 63°C.
Coldest day: Sunday 25.10. 43°C.
Coldest day: Sunday 25.10. 43°C.
Chance of precipitation
Highest chance: Friday 45%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 32°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphNW 313°
- Humidity: 80%
- UV index: 0
- Sunrise: 8:01 am MDT
- Sunset: 6:45 pm MDT
- details ▼
- Sunday
- Oct 18, 2026
- 59°F
- 34°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 4mphE 94°
- Humidity: 61%
- UV index: 3
- Sunrise: 8:03 am MDT
- Sunset: 6:43 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 61°F
- 39°F
Mostly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 3mphE 91°
- Humidity: 57%
- UV index: 2
- Sunrise: 8:04 am MDT
- Sunset: 6:41 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 63°F
- 36°F
AM Clouds / PM Sun
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphN 351°
- Humidity: 56%
- UV index: 2
- Sunrise: 8:06 am MDT
- Sunset: 6:39 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 63°F
- 39°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 5mphESE 103°
- Humidity: 57%
- UV index: 2
- Sunrise: 8:07 am MDT
- Sunset: 6:37 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 63°F
- 39°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0.12"
- Wind: 5mphESE 107°
- Humidity: 61%
- UV index: 2
- Sunrise: 8:09 am MDT
- Sunset: 6:35 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 48°F
- 28°F
Showers
- Precip. probability: 45%
- Precipitation: 0.08"
- Wind: 7mphWNW 284°
- Humidity: 84%
- UV index: 1
- Sunrise: 8:11 am MDT
- Sunset: 6:34 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 45°F
- 27°F
Partly Cloudy
- Precip. probability: 10%
- Precipitation: 0.04"
- Wind: 5mphESE 123°
- Humidity: 72%
- UV index: 2
- Sunrise: 8:12 am MDT
- Sunset: 6:32 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 43°F
- 27°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 6mphENE 69°
- Humidity: 72%
- UV index: 2
- Sunrise: 8:14 am MDT
- Sunset: 6:30 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 46°F
- 27°F
Partly Cloudy
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 6mphE 80°
- Humidity: 69%
- UV index: 2
- Sunrise: 8:15 am MDT
- Sunset: 6:28 pm MDT
- details ▼
Over the next ten days, a mix of primarily gloomy and occasionally bright and rain-soaked weather is forecasted.
Rainfall is forecasted for Thursday and Friday.
Temperature fluctuation will be noticeable in the upcoming period. Forecast highs will fluctuate between 42.8°F and 62.6°F, while the lowest nightly temperature differences will be also quite pronounced, as the minimum temperature is expected to range between 26.6°F and 39.2°F.
Tuesday through Thursday, with the highest temperature of 62.6°F, will be the warmest days in Olney; next Sunday will be the coldest day, with the highest temperature of 42.8°F.
Rainfall is forecasted for Thursday and Friday.
Temperature fluctuation will be noticeable in the upcoming period. Forecast highs will fluctuate between 42.8°F and 62.6°F, while the lowest nightly temperature differences will be also quite pronounced, as the minimum temperature is expected to range between 26.6°F and 39.2°F.
Tuesday through Thursday, with the highest temperature of 62.6°F, will be the warmest days in Olney; next Sunday will be the coldest day, with the highest temperature of 42.8°F.
Updated: Oct 18, 2026 @ 02:01:57 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, expect bright skies and plenty of sunshine.
Tomorrow, the maximum temperature will be 59°F, while the minimum temperature will be 33.8°F.
The maximum temperature tomorrow will be significantly higher than the average highest temperature of 48.7°F in October. The lowest temperature tomorrow will be in line with the average low temperature.
The maximum temperature tomorrow will be significantly higher than the average highest temperature of 48.7°F in October. The lowest temperature tomorrow will be in line with the average low temperature.
On Sunday, in Olney, sunrise will be at 8:03 am and sunset at 6:43 pm (MDT).
In Olney, the length of the day tomorrow will be 10h and 40min.
