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As of 03:04 MDT

Weather in Keystone, MT

33°Current weather

Keystone, Tuesday, 20 October, 03:04

Overcast. Feels like 33°. High 56°, low 32°.

Pressure30.03 inHg
Wind0.5 mph SW
Humidity86%
Visibility6.2 mi
Dew point30°

10-day forecast for Keystone, MT: 20° to 60°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.

57°
Best day: Wednesday, October 21
45° · 0.21 in
Worst day: Friday, October 23

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

Wed, 2157° / 32°0Overcast
MorningOvercast32°feels 32°
AfternoonPartly cloudy55°feels 51°
EveningPartly cloudy48°feels 48°
OvernightPartly cloudy36°feels 36°
57 °Overcast

Keystone, Wednesday, 21 October

Overcast. High 57°, low 32°.

Pressure30.00 inHg
Wind0.1 mph NE
Humidity48%
Visibility6.2 mi
Dew point37°
Thu, 2260° / 34°0.08Rain
MorningOvercast34°feels 34°
AfternoonOvercast60°feels 57°
EveningOvercast46°feels 46°
OvernightPartly cloudy37°feels 37°
60 °Rain

Keystone, Thursday, 22 October

Rain. High 60°, low 34°.

Pressure29.85 inHg
Wind1.6 mph N
Humidity52%
Visibility6.2 mi
Dew point39°
Fri, 2345° / 39°0.21Light rain
MorningLight rain39°feels 39°
AfternoonOvercast43°feels 39°
EveningLight rain42°feels 42°
OvernightLight rain41°feels 41°
45 °Light rain

Keystone, Friday, 23 October

Light rain. High 45°, low 39°.

Pressure30.03 inHg
Wind5.9 mph W
Humidity81%
Visibility6.2 mi
Dew point38°
Sat, 2450° / 33°0.04Light rain
MorningLight rain37°feels 37°
AfternoonLight rain44°feels 44°
EveningLight rain45°feels 45°
OvernightOvercast39°feels 39°
50 °Light rain

Keystone, Saturday, 24 October

Light rain. High 50°, low 33°.

Pressure30.24 inHg
Wind2.6 mph SE
Humidity65%
Visibility—
Dew point32°
Sun, 2552° / 28°0Clear
MorningClear33°feels 33°
AfternoonClear47°feels 47°
EveningClear41°feels 39°
OvernightClear31°feels 31°
52 °Clear

Keystone, Sunday, 25 October

Clear. High 52°, low 28°.

Pressure30.30 inHg
Wind4 mph NE
Humidity47%
Visibility—
Dew point26°
Mon, 2643° / 21°0Clear
MorningClear26°feels 25°
AfternoonClear37°feels 35°
EveningClear33°feels 31°
OvernightClear24°feels 24°
43 °Clear

Keystone, Monday, 26 October

Clear. High 43°, low 21°.

Pressure30.42 inHg
Wind4.6 mph NE
Humidity48%
Visibility—
Dew point17°
Tue, 2746° / 20°0Mostly clear
MorningMostly clear25°feels 21°
AfternoonMostly clear38°feels 36°
EveningMostly clear35°feels 35°
OvernightMostly clear25°feels 24°
46 °Mostly clear

Keystone, Tuesday, 27 October

Mostly clear. High 46°, low 20°.

Pressure30.47 inHg
Wind3.7 mph SE
Humidity31%
Visibility—
Dew point8°
Wed, 2849° / 20°0Mostly clear
MorningMostly clear26°feels 26°
AfternoonMostly clear40°feels 40°
EveningMostly clear37°feels 37°
OvernightMostly clear27°feels 27°
49 °Mostly clear

Keystone, Wednesday, 28 October

Mostly clear. High 49°, low 20°.

Pressure30.27 inHg
Wind2.8 mph SE
Humidity29%
Visibility—
Dew point8°
Thu, 2950° / 23°0Clear
MorningClear29°feels 29°
AfternoonClear42°feels 42°
EveningClear38°feels 38°
OvernightClear29°feels 29°
50 °Clear

Keystone, Thursday, 29 October

Clear. High 50°, low 23°.

Pressure30.00 inHg
Wind2.6 mph SE
Humidity29%
Visibility—
Dew point11°

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.