Weather forecast for tomorrowGeyser, MT
Weather forecast for tomorrow
Monday Oct 19, 2026
- 70°F
- 43°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphSW 219°
- Humidity: 40%
- UV index: 3
- Sunrise: 7:46 am MDT
- Sunset: 6:27 pm MDT
- details ▼
Tomorrow, in Geyser, sunshine will dominate, with only occasional cloud cover.
Significant variations in temperature are predicted, peaking at a pleasant 69.8°F and dropping to a low of a brisk 42.8°F.
The predicted high will feel warmer, consistent with September's climate average of 62.8°F.
Sunrise will be at 7:46 am and sunset at 6:27 pm; tomorrow's daylight will last for 10h and 41min.
Significant variations in temperature are predicted, peaking at a pleasant 69.8°F and dropping to a low of a brisk 42.8°F.
The predicted high will feel warmer, consistent with September's climate average of 62.8°F.
Sunrise will be at 7:46 am and sunset at 6:27 pm; tomorrow's daylight will last for 10h and 41min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 68°C.
Coldest period: 3 am - 6 am 41°C.
Coldest period: 3 am - 6 am 41°C.
Chance of precipitation
Highest chance: 12 am 4%.
Hourly weather forecast
- 12 am
- 43°F
- Feels like:41°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 3mphS 185°
- Humidity: 63%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 41°F
- Feels like:37°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphWSW 238°
- Humidity: 66%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 41°F
- Feels like:37°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphWSW 243°
- Humidity: 65%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 41°F
- Feels like:37°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphWSW 249°
- Humidity: 62%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:46 am
- 8 am
- 41°F
- Feels like:37°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphWSW 241°
- Humidity: 63%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 52°F
- Feels like:52°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphWSW 251°
- Humidity: 46%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 63°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphWSW 242°
- Humidity: 33%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 2 pm
- 68°F
- Feels like:68°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphSW 222°
- Humidity: 28%
- Pressure: 29.8"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 68°F
- Feels like:68°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphSE 126°
- Humidity: 28%
- Pressure: 29.8"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 61°F
- Feels like:61°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphESE 113°
- Humidity: 35%
- Pressure: 29.83"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:27 pm
- 8 pm
- 54°F
- Feels like:52°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphS 181°
- Humidity: 44%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 50°F
- Feels like:48°F
Mostly Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 5mphSW 228°
- Humidity: 47%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, a combination of dry and sunny and gloomy weather is expected.
The temperature will be between a minimum of 41°F and a maximum of 68°F. The warmest part of the day will be from 2 pm to 4 pm.
The day’s peak temperature will reflect September's norm of 62.8°F more than October's 46.4°F. The minimum temperature will be also more alike with September's average low of 41.5°F than October's typical value of 29.8°F.
The temperature will be between a minimum of 41°F and a maximum of 68°F. The warmest part of the day will be from 2 pm to 4 pm.
The day’s peak temperature will reflect September's norm of 62.8°F more than October's 46.4°F. The minimum temperature will be also more alike with September's average low of 41.5°F than October's typical value of 29.8°F.
Updated: Oct 18, 2026 @ 08:45:38 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 Monday, a bright and mostly cloud-free sky is in store.
Tomorrow, the highest temperature will be 69.8°F, while the lowest temperature will be 42.8°F.
The maximum temperature will be significantly higher than the average highest temperature of 46.4°F in October. The lowest temperature will be also notably higher than the average low of 29.8°F.
The maximum temperature will be significantly higher than the average highest temperature of 46.4°F in October. The lowest temperature will be also notably higher than the average low of 29.8°F.
On Monday, in Geyser, sunrise will be at 7:46 am and sunset at 6:27 pm (MDT).
In Geyser, tomorrow, there will be 10h and 41min of daylight.





