EN
English Español

As of 16:18 MDT

Weather in Keystone, MT

54°Current weather

Keystone, Sunday, 18 October, 16:18

Clear. Feels like 51°. High 54°, low 27°.

Pressure30.03 inHg
Wind1.5 mph NE
Humidity44%
Visibility6.2 mi
Dew point32°

10-day forecast for Keystone, MT: 23° to 60°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.

60°
Best day: Wednesday, October 21
35° · 0.21 in
Worst day: Tuesday, October 27

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

Mon, 1958° / 26°0Partly cloudy
MorningOvercast26°feels 26°
AfternoonOvercast56°feels 53°
EveningOvercast45°feels 45°
OvernightOvercast33°feels 33°
58 °Partly cloudy

Keystone, Monday, 19 October

Partly cloudy. High 58°, low 26°.

Pressure29.91 inHg
Wind1.1 mph NE
Humidity51%
Visibility6.2 mi
Dew point36°
Tue, 2058° / 29°0Overcast
MorningOvercast33°feels 33°
AfternoonOvercast57°feels 54°
EveningOvercast45°feels 45°
OvernightPartly cloudy34°feels 34°
58 °Overcast

Keystone, Tuesday, 20 October

Overcast. High 58°, low 29°.

Pressure30.06 inHg
Wind1.2 mph NW
Humidity52%
Visibility6.2 mi
Dew point37°
Wed, 2160° / 32°0Overcast
MorningOvercast32°feels 32°
AfternoonOvercast59°feels 56°
EveningMostly clear47°feels 47°
OvernightPartly cloudy36°feels 36°
60 °Overcast

Keystone, Wednesday, 21 October

Overcast. High 60°, low 32°.

Pressure30.00 inHg
Wind0.8 mph N
Humidity53%
Visibility6.2 mi
Dew point38°
Thu, 2249° / 35°0.2Rain
MorningOvercast35°feels 35°
AfternoonLight rain47°feels 47°
EveningRain47°feels 47°
OvernightOvercast36°feels 36°
49 °Rain

Keystone, Thursday, 22 October

Rain. High 49°, low 35°.

Pressure29.80 inHg
Wind1.6 mph NW
Humidity97%
Visibility6.2 mi
Dew point44°
Fri, 2340° / 31°0.04Light rain
MorningLight rain35°feels 30°
AfternoonLight rain35°feels 28°
EveningLight rain35°feels 29°
OvernightLight rain32°feels 26°
40 °Light rain

Keystone, Friday, 23 October

Light rain. High 40°, low 31°.

Pressure30.09 inHg
Wind11.3 mph W
Humidity76%
Visibility—
Dew point28°
Sat, 2448° / 23°0Overcast
MorningOvercast28°feels 28°
AfternoonOvercast41°feels 41°
EveningOvercast40°feels 39°
OvernightOvercast31°feels 28°
48 °Overcast

Keystone, Saturday, 24 October

Overcast. High 48°, low 23°.

Pressure30.24 inHg
Wind3.5 mph E
Humidity40%
Visibility—
Dew point16°
Sun, 2539° / 31°0.12Snow
MorningSnow34°feels 34°
AfternoonSnow38°feels 38°
EveningSnow35°feels 35°
OvernightSnow31°feels 28°
39 °Snow

Keystone, Sunday, 25 October

Snow. High 39°, low 31°.

Pressure30.12 inHg
Wind3.4 mph S
Humidity78%
Visibility—
Dew point31°
Mon, 2631° / 25°0.14Snow
MorningSnow29°feels 24°
AfternoonSnow29°feels 25°
EveningSnow29°feels 26°
OvernightSnow27°feels 26°
31 °Snow

Keystone, Monday, 26 October

Snow. High 31°, low 25°.

Pressure30.24 inHg
Wind4.5 mph NE
Humidity80%
Visibility—
Dew point24°
Tue, 2735° / 24°0.21Snow
MorningSnow29°feels 28°
AfternoonSnow32°feels 29°
EveningSnow31°feels 31°
OvernightSnow29°feels 29°
35 °Snow

Keystone, Tuesday, 27 October

Snow. High 35°, low 24°.

Pressure30.06 inHg
Wind3.8 mph NE
Humidity76%
Visibility—
Dew point25°

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.