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As of 22:19 MDT

Weather in Keystone, MT

36°Current weather

Keystone, Tuesday, 20 October, 22:19

Overcast. Feels like 36°. High 55°, low 29°.

Pressure30.09 inHg
Wind0.2 mph S
Humidity80%
Visibility6.2 mi
Dew point31°

10-day forecast for Keystone, MT: 24° to 60°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.

58°
Best day: Wednesday, October 21
43° · 0.51 in
Worst day: Friday, October 23

Tap any day below to see morning, afternoon, evening and overnight.

Wed, 2158° / 29°0Partly cloudy
MorningClear29°feels 29°
AfternoonPartly cloudy54°feels 51°
EveningMostly clear43°feels 43°
OvernightMostly clear34°feels 34°
58 °Partly cloudy

Keystone, Wednesday, 21 October

Partly cloudy. High 58°, low 29°.

Pressure30.03 inHg
Wind0.3 mph NE
Humidity51%
Visibility6.2 mi
Dew point37°
Thu, 2260° / 31°0.04Light rain
MorningOvercast31°feels 31°
AfternoonOvercast59°feels 57°
EveningOvercast46°feels 46°
OvernightClear35°feels 35°
60 °Light rain

Keystone, Thursday, 22 October

Light rain. High 60°, low 31°.

Pressure29.85 inHg
Wind1 mph N
Humidity51%
Visibility6.2 mi
Dew point38°
Fri, 2343° / 39°0.51Rain
MorningLight rain40°feels 38°
AfternoonLight rain43°feels 42°
EveningLight rain40°feels 40°
OvernightLight rain41°feels 41°
43 °Rain

Keystone, Friday, 23 October

Rain. High 43°, low 39°.

Pressure30.00 inHg
Wind3.7 mph W
Humidity97%
Visibility3.5 mi
Dew point43°
Sat, 2449° / 32°0Partly cloudy
MorningOvercast33°feels 33°
AfternoonMostly clear46°feels 46°
EveningOvercast39°feels 39°
OvernightOvercast33°feels 33°
49 °Partly cloudy

Keystone, Saturday, 24 October

Partly cloudy. High 49°, low 32°.

Pressure30.33 inHg
Wind1.6 mph S
Humidity65%
Visibility6.2 mi
Dew point31°
Sun, 2551° / 26°0Clear
MorningClear32°feels 32°
AfternoonClear45°feels 45°
EveningClear42°feels 42°
OvernightClear34°feels 34°
51 °Clear

Keystone, Sunday, 25 October

Clear. High 51°, low 26°.

Pressure30.27 inHg
Wind3.9 mph NE
Humidity53%
Visibility—
Dew point26°
Mon, 2646° / 24°0Clear
MorningClear28°feels 28°
AfternoonClear39°feels 39°
EveningClear38°feels 37°
OvernightClear30°feels 30°
46 °Clear

Keystone, Monday, 26 October

Clear. High 46°, low 24°.

Pressure30.45 inHg
Wind3.4 mph N
Humidity63%
Visibility—
Dew point26°
Tue, 2755° / 28°0Overcast
MorningOvercast34°feels 34°
AfternoonOvercast47°feels 47°
EveningOvercast42°feels 40°
OvernightOvercast32°feels 32°
55 °Overcast

Keystone, Tuesday, 27 October

Overcast. High 55°, low 28°.

Pressure30.21 inHg
Wind4.1 mph NE
Humidity36%
Visibility—
Dew point20°
Wed, 2850° / 29°0Clear
MorningClear33°feels 33°
AfternoonClear43°feels 43°
EveningClear40°feels 39°
OvernightClear32°feels 32°
50 °Clear

Keystone, Wednesday, 28 October

Clear. High 50°, low 29°.

Pressure30.30 inHg
Wind3.3 mph N
Humidity54%
Visibility—
Dew point26°
Thu, 2956° / 27°0Clear
MorningClear33°feels 33°
AfternoonClear47°feels 47°
EveningClear45°feels 43°
OvernightClear34°feels 31°
56 °Clear

Keystone, Thursday, 29 October

Clear. High 56°, low 27°.

Pressure30.03 inHg
Wind4.4 mph SW
Humidity43%
Visibility—
Dew point23°

About this forecast

How reliable is a 10-day forecast?

The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.

What does the time-of-day table show?

Temperature in Keystone, MT around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.

How is the best day chosen?

We weigh the daytime high against precipitation: a warm, dry day scores highest.