Weather forecast for 10 days
Simpson, MT

Weather forecast for the weekend

Saturday, Jun 21.

Showers
5:14 am

9:30 pm
MDT
Showers
61°F / 41°F
  • Wind: 20mph WNW
  • Humidity: 74%
  • Precip. probability: 40%
  • Precipitation: 0.43"
  • UV index: 5
On Saturday, in Simpson, expect light rain showers throughout the day, with a break in the rain later in the day.
The likelihood of rain is low. However, forecasted precipitation will be moderate. The highest temperature will be a breezy 60.8°F, while the lowest temperature will be a cold 41°F.
With a forecast of 60.8°F, conditions deviate from June's average and instead resemble May's climate trend.
Sunrise will be at 5:14 am and sunset at 9:30 pm; the daylight will last for 16h and 16min.

Sunday, Jun 22.

Showers
5:15 am

9:30 pm
MDT
Showers
55°F / 39°F
  • Wind: 17mph NW
  • Humidity: 70%
  • Precip. probability: 40%
  • Precipitation: 0.16"
  • UV index: 3
On Sunday, June 22, expect intermittent showers, with dry spells in between.
The likelihood of rain is low, and light precipitation is anticipated. The temperature is predicted to vary between a maximum of a mild 55.4°F and a minimum of a cold 39.2°F.
On Sunday, meteorological data suggests the high will feel more like May, based on a forecast of 55.4°F.
Sunrise will be at 5:15 am and sunset at 9:30 pm; the daylight will last for 16h and 16min.

Frequently asked questions

What is the weather forecast for Simpson for Saturday?
On Saturday, expect showers with brief dry periods, especially during the afternoon.
Will it rain on Saturday?
Moderate precipitation of 0.43" is anticipated on Saturday. The possibility of rainfall is 40%.
What will be the highest temperature on Saturday?
On Saturday, the highest temperature will be 60.8°F, while the lowest temperature will be 41°F.
What is the weather forecast for Simpson for Sunday?
On Sunday, light showers are likely, with some brief dry spells throughout the day.
Will it rain on Sunday?
Light precipitation of 0.16" is forecasted on Sunday. The chance of rainfall is 40%.
What will be the highest temperature on Sunday?
On Sunday, the maximum temperature will be 55.4°F, while the minimum temperature will be 39.2°F.
What is the weather forecast for Simpson for the next ten days?
In Simpson, a combination of bright, damp and cloudy weather is expected for the next ten days.
Will it rain in the next ten days?
Rain is predicted for Friday through Sunday in Simpson. Friday, with moderate precipitation of 0.71", will be the day with the most rainfall.
How hot will it be in the next ten days?
The maximum temperature will range between 55.4°F and 84.2°F, as the minimum temperature will vary between 39.2°F and 55.4°F.
What will be the hottest and the coldest days?
With a maximum temperature of 84.2°F, Tuesday and Wednesday will be the hottest days. Sunday will be the coldest day, with a maximum temperature of 55.4°F.

Long-term weather forecast

TueJun 17.
  • 84°F
  • 50°F
Mostly Sunny
Mostly Sunny
  • Wind: 12mph SSW
  • Humidity: 30%
  • UV index: 7
  • Precip. probability: 15%
  • Precipitation: 0"
  • 5:14 am 9:29 pm MDT
WedJun 18.
  • 84°F
  • 54°F
Mostly Sunny
Mostly Sunny
  • Wind: 13mph W
  • Humidity: 29%
  • UV index: 7
  • Precip. probability: 1%
  • Precipitation: 0"
  • 5:14 am 9:29 pm MDT
ThuJun 19.
  • 82°F
  • 55°F
Mostly Sunny
Mostly Sunny
  • Wind: 16mph WNW
  • Humidity: 23%
  • UV index: 7
  • Precip. probability: 0%
  • Precipitation: 0"
  • 5:14 am 9:30 pm MDT
FriJun 20.
  • 66°F
  • 50°F
Rain
Rain
  • Wind: 15mph ENE
  • Humidity: 63%
  • UV index: 5
  • Precip. probability: 74%
  • Precipitation: 0.71"
  • 5:14 am 9:30 pm MDT
SatJun 21.
  • 61°F
  • 41°F
Showers
Showers
  • Wind: 20mph WNW
  • Humidity: 74%
  • UV index: 5
  • Precip. probability: 40%
  • Precipitation: 0.43"
  • 5:14 am 9:30 pm MDT
SunJun 22.
  • 55°F
  • 39°F
Showers
Showers
  • Wind: 17mph NW
  • Humidity: 70%
  • UV index: 3
  • Precip. probability: 40%
  • Precipitation: 0.16"
  • 5:15 am 9:30 pm MDT
MonJun 23.
  • 66°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Wind: 10mph SW
  • Humidity: 55%
  • UV index: 7
  • Precip. probability: 14%
  • Precipitation: 0"
  • 5:15 am 9:30 pm MDT
TueJun 24.
  • 75°F
  • 46°F
Mostly Sunny
Mostly Sunny
  • Wind: 8mph S
  • Humidity: 51%
  • UV index: 7
  • Precip. probability: 11%
  • Precipitation: 0"
  • 5:15 am 9:30 pm MDT
WedJun 25.
  • 79°F
  • 50°F
Mostly Sunny
Mostly Sunny
  • Wind: 7mph SE
  • Humidity: 47%
  • UV index: 7
  • Precip. probability: 12%
  • Precipitation: 0"
  • 5:16 am 9:30 pm MDT
ThuJun 26.
  • 82°F
  • 54°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph SW
  • Humidity: 44%
  • UV index: 7
  • Precip. probability: 7%
  • Precipitation: 0"
  • 5:16 am 9:30 pm MDT
Over the next ten days, a mix of dry and sunny, damp and dull weather is expected.
Rain is anticipated on Friday through Sunday.
Noticeable swings in temperature are expected over the next several days. Highs will range from 55.4°F to 84.2°F, while the variation in nighttime lows will be also notably wide, as temperatures overnight will fluctuate from 39.2°F up to 55.4°F.
With a maximum temperature of 84.2°F, Tuesday and Wednesday will be the hottest days in Simpson; the lowest daytime temperature of the period will be reached on Sunday, peaking at 55.4°F.
Updated: Jun 17, 2025 @ 15:29:50 UTC
Published by: Weather U.S. | About Us
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Weather Forecasting & Climate
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