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As of 10:56 MDT

Weather in Keystone, MT

40°Current weather

Keystone, Friday, 16 October, 10:56

Overcast. Feels like 40°. High 62°, low 27°.

Pressure30.47 inHg
Wind0.5 mph E
Humidity69%
Visibility6.2 mi
Dew point31°

10-day forecast for Keystone, MT: 26° to 62°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.

62°
Best day: Friday, October 16
43° · 0.31 in
Worst day: Friday, October 23

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

Sat, 1758° / 33°0Overcast
MorningOvercast34°feels 34°
AfternoonOvercast58°feels 55°
EveningClear42°feels 42°
OvernightOvercast35°feels 35°
58 °Overcast

Keystone, Saturday, 17 October

Overcast. High 58°, low 33°.

Pressure30.03 inHg
Wind8.1 mph SW
Humidity30%
Visibility6.2 mi
Dew point31°
Sun, 1855° / 29°0Clear
MorningClear29°feels 29°
AfternoonClear53°feels 50°
EveningPartly cloudy42°feels 42°
OvernightOvercast33°feels 33°
55 °Clear

Keystone, Sunday, 18 October

Clear. High 55°, low 29°.

Pressure30.12 inHg
Wind0.5 mph SW
Humidity49%
Visibility6.2 mi
Dew point34°
Mon, 1959° / 31°0Overcast
MorningOvercast31°feels 31°
AfternoonOvercast58°feels 55°
EveningOvercast47°feels 47°
OvernightOvercast34°feels 34°
59 °Overcast

Keystone, Monday, 19 October

Overcast. High 59°, low 31°.

Pressure29.85 inHg
Wind1.5 mph N
Humidity54%
Visibility6.2 mi
Dew point37°
Tue, 2060° / 37°0Overcast
MorningOvercast37°feels 37°
AfternoonOvercast53°feels 51°
EveningOvercast53°feels 51°
OvernightOvercast39°feels 39°
60 °Overcast

Keystone, Tuesday, 20 October

Overcast. High 60°, low 37°.

Pressure29.97 inHg
Wind3.5 mph NE
Humidity53%
Visibility—
Dew point34°
Wed, 2162° / 34°0Mostly clear
MorningMostly clear40°feels 39°
AfternoonMostly clear54°feels 51°
EveningMostly clear54°feels 52°
OvernightMostly clear44°feels 44°
62 °Mostly clear

Keystone, Wednesday, 21 October

Mostly clear. High 62°, low 34°.

Pressure30.03 inHg
Wind1.7 mph NE
Humidity51%
Visibility—
Dew point33°
Thu, 2260° / 37°0Overcast
MorningOvercast42°feels 41°
AfternoonOvercast53°feels 50°
EveningOvercast50°feels 48°
OvernightOvercast42°feels 42°
60 °Overcast

Keystone, Thursday, 22 October

Overcast. High 60°, low 37°.

Pressure29.83 inHg
Wind3.6 mph N
Humidity35%
Visibility—
Dew point24°
Fri, 2343° / 35°0.31Light rain
MorningLight rain40°feels 40°
AfternoonLight rain39°feels 37°
EveningLight rain35°feels 35°
OvernightLight rain36°feels 36°
43 °Light rain

Keystone, Friday, 23 October

Light rain. High 43°, low 35°.

Pressure29.91 inHg
Wind3.2 mph NE
Humidity89%
Visibility—
Dew point37°
Sat, 2440° / 30°0.02Light rain
MorningLight rain32°feels 32°
AfternoonLight rain36°feels 36°
EveningLight rain38°feels 38°
OvernightLight rain32°feels 32°
40 °Light rain

Keystone, Saturday, 24 October

Light rain. High 40°, low 30°.

Pressure30.27 inHg
Wind2.7 mph NE
Humidity91%
Visibility—
Dew point33°
Sun, 2549° / 26°0Clear
MorningClear31°feels 31°
AfternoonClear43°feels 42°
EveningClear41°feels 39°
OvernightClear31°feels 31°
49 °Clear

Keystone, Sunday, 25 October

Clear. High 49°, low 26°.

Pressure30.12 inHg
Wind3.6 mph N
Humidity56%
Visibility—
Dew point26°

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.