Weather forecast for tomorrowSphinx, MT
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 64°F
- 34°F
Mostly Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphS 190°
- Humidity: 46%
- UV index: 3
- Sunrise: 7:43 am MDT
- Sunset: 6:33 pm MDT
- details ▼
On Sunday, October 18, open skies and radiant sunshine are expected.
Dramatic temperature shifts from a high of a comfortable 64.4°F to a low of a wintry 33.8°F are anticipated.
The anticipated high is warmer and better reflects September's normal temperature profile than that of October.
Sunrise will be at 7:43 am and sunset at 6:33 pm; tomorrow's daylight will last for 10h and 50min.
Dramatic temperature shifts from a high of a comfortable 64.4°F to a low of a wintry 33.8°F are anticipated.
The anticipated high is warmer and better reflects September's normal temperature profile than that of October.
Sunrise will be at 7:43 am and sunset at 6:33 pm; tomorrow's daylight will last for 10h and 50min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 63°C.
Coldest hour: 6 am 36°C.
Coldest hour: 6 am 36°C.
Chance of precipitation
Highest chance: 3 am - 6 am 2%.
Hourly weather forecast
- 12 am
- 43°F
- Feels like:37°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphS 179°
- Humidity: 58%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 39°F
- Feels like:34°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphS 190°
- Humidity: 66%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 37°F
- Feels like:32°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphSSW 194°
- Humidity: 70%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 36°F
- Feels like:30°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphSSW 208°
- Humidity: 74%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:43 am
- 8 am
- 34°F
- Feels like:30°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphSW 216°
- Humidity: 77%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 45°F
- Feels like:43°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphS 173°
- Humidity: 60%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 55°F
- Feels like:54°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphSSE 159°
- Humidity: 39%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 61°F
- Feels like:61°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphS 172°
- Humidity: 30%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 63°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphSSW 204°
- Humidity: 25%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 57°F
- Feels like:57°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphSW 226°
- Humidity: 34%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:33 pm
- 8 pm
- 48°F
- Feels like:46°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSSW 203°
- Humidity: 50%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 43°F
- Feels like:39°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 5mphSSW 200°
- Humidity: 58%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, a combination of dull and sun-filled weather is expected.
The temperature will be between a minimum of 33.8°F and a maximum of 62.6°F. The warmest part of the day will be from 3 pm to 5 pm.
The highest temperature is more close to September's average maximum of 63.5°F than October's usual of 45.5°F. The minimum temperature tomorrow will be also more consistent with September's average low of 39.6°F than October's of 27.5°F.
The temperature will be between a minimum of 33.8°F and a maximum of 62.6°F. The warmest part of the day will be from 3 pm to 5 pm.
The highest temperature is more close to September's average maximum of 63.5°F than October's usual of 45.5°F. The minimum temperature tomorrow will be also more consistent with September's average low of 39.6°F than October's of 27.5°F.
Updated: Oct 17, 2026 @ 18:09:56 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
Tomorrow, sunshine will lead the day, with clouds making only brief appearances.
Tomorrow, the maximum temperature will be 64.4°F, while the minimum temperature will be 33.8°F.
The highest temperature tomorrow will be uncommonly higher than the average maximum of 45.5°F in October. The lowest temperature will be slightly warmer than the average low of 27.5°F.
The highest temperature tomorrow will be uncommonly higher than the average maximum of 45.5°F in October. The lowest temperature will be slightly warmer than the average low of 27.5°F.
On Sunday, in Sphinx, sunrise will be at 7:43 am and sunset at 6:33 pm (MDT).
Tomorrow, the daylight will last for 10h and 50min.





