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As of 21:31 MDT

Weather in Keystone, MT

32°Current weather

Keystone, Friday, 23 October, 21:31

Overcast. Feels like 32°. High 40°, low 32°.

Pressure30.24 inHg
Wind1.4 mph S
Humidity94%
Visibility—
Dew point31°

10-day forecast for Keystone, MT: 21° to 49°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.

49°
Best day: Sunday, November 1
40° · 0.25 in
Worst day: Friday, October 23

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

Sat, 2444° / 27°0Overcast
MorningPartly cloudy27°feels 27°
AfternoonOvercast41°feels 41°
EveningOvercast33°feels 33°
OvernightOvercast31°feels 31°
44 °Overcast

Keystone, Saturday, 24 October

Overcast. High 44°, low 27°.

Pressure30.27 inHg
Wind1.1 mph S
Humidity67%
Visibility6.2 mi
Dew point33°
Sun, 2546° / 28°0Partly cloudy
MorningPartly cloudy28°feels 28°
AfternoonPartly cloudy45°feels 42°
EveningOvercast34°feels 34°
OvernightPartly cloudy30°feels 30°
46 °Partly cloudy

Keystone, Sunday, 25 October

Partly cloudy. High 46°, low 28°.

Pressure30.21 inHg
Wind4.3 mph NE
Humidity61%
Visibility6.2 mi
Dew point32°
Mon, 2646° / 26°0.12Rain
MorningOvercast26°feels 26°
AfternoonMostly clear44°feels 44°
EveningRain37°feels 37°
OvernightOvercast29°feels 29°
46 °Rain

Keystone, Monday, 26 October

Rain. High 46°, low 26°.

Pressure30.06 inHg
Wind1.7 mph N
Humidity69%
Visibility6.2 mi
Dew point28°
Tue, 2739° / 31°0.03Light rain
MorningOvercast32°feels 32°
AfternoonLight rain39°feels 35°
EveningPartly cloudy34°feels 34°
OvernightOvercast32°feels 32°
39 °Light rain

Keystone, Tuesday, 27 October

Light rain. High 39°, low 31°.

Pressure30.09 inHg
Wind4.4 mph SW
Humidity85%
Visibility6.2 mi
Dew point37°
Wed, 2842° / 30°0.11Snow
MorningSnow33°feels 33°
AfternoonSnow38°feels 38°
EveningSnow38°feels 38°
OvernightSnow31°feels 31°
42 °Snow

Keystone, Wednesday, 28 October

Snow. High 42°, low 30°.

Pressure30.00 inHg
Wind3.4 mph S
Humidity85%
Visibility—
Dew point33°
Thu, 2947° / 26°0.05Snow
MorningSnow29°feels 29°
AfternoonSnow39°feels 38°
EveningSnow37°feels 34°
OvernightSnow30°feels 25°
47 °Snow

Keystone, Thursday, 29 October

Snow. High 47°, low 26°.

Pressure29.91 inHg
Wind5.7 mph NW
Humidity71%
Visibility—
Dew point28°
Fri, 3040° / 25°0.03Light snow
MorningLight snow28°feels 28°
AfternoonLight snow37°feels 36°
EveningLight snow32°feels 28°
OvernightLight snow25°feels 21°
40 °Light snow

Keystone, Friday, 30 October

Light snow. High 40°, low 25°.

Pressure30.06 inHg
Wind6 mph W
Humidity60%
Visibility—
Dew point23°
Sat, 3142° / 22°0Clear
MorningClear27°feels 22°
AfternoonClear38°feels 35°
EveningClear33°feels 29°
OvernightClear26°feels 21°
42 °Clear

Keystone, Saturday, 31 October

Clear. High 42°, low 22°.

Pressure30.18 inHg
Wind7.5 mph W
Humidity38%
Visibility—
Dew point13°
Sun, 0149° / 21°0Mostly clear
MorningMostly clear27°feels 27°
AfternoonMostly clear41°feels 41°
EveningMostly clear37°feels 35°
OvernightMostly clear26°feels 26°
49 °Mostly clear

Keystone, Sunday, 1 November

Mostly clear. High 49°, low 21°.

Pressure30.42 inHg
Wind3.4 mph SW
Humidity30%
Visibility—
Dew point10°

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.