10-day forecast for Perma, MT: 27° to 65°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
65°
Best day: Thursday, October 22
46° · 0.3 in
Worst day: Friday, October 23
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 2265° / 37°0
Morning37°feels 37°
Afternoon63°feels 61°
Evening48°feels 48°
Overnight41°feels 41°
65 °
Perma, Thursday, 22 October
Partly cloudy. High 65°, low 37°.
Pressure29.88 inHg
Wind2.6 mph N
Humidity51%
Visibility6.2 mi
Dew point38°
Fri, 2346° / 39°0.3
Morning44°feels 44°
Afternoon44°feels 40°
Evening42°feels 42°
Overnight44°feels 44°
46 °
Perma, Friday, 23 October
Rain. High 46°, low 39°.
Pressure29.91 inHg
Wind3.2 mph W
Humidity96%
Visibility2.3 mi
Dew point47°
Sat, 2447° / 33°0
Morning32°feels 32°
Afternoon46°feels 46°
Evening40°feels 40°
Overnight39°feels 39°
47 °
Perma, Saturday, 24 October
Overcast. High 47°, low 33°.
Pressure30.30 inHg
Wind1.8 mph NE
Humidity64%
Visibility6.2 mi
Dew point33°
Sun, 2549° / 30°0
Morning34°feels 34°
Afternoon44°feels 44°
Evening44°feels 44°
Overnight33°feels 33°
49 °
Perma, Sunday, 25 October
Overcast. High 49°, low 30°.
Pressure30.24 inHg
Wind3.2 mph E
Humidity60%
Visibility—
Dew point29°
Mon, 2643° / 27°0
Morning30°feels 30°
Afternoon38°feels 38°
Evening40°feels 40°
Overnight34°feels 34°
43 °
Perma, Monday, 26 October
Partly cloudy. High 43°, low 27°.
Pressure30.39 inHg
Wind2.6 mph NE
Humidity70%
Visibility—
Dew point28°
Tue, 2749° / 35°0.18
Morning42°feels 42°
Afternoon49°feels 48°
Evening45°feels 45°
Overnight43°feels 43°
49 °
Perma, Tuesday, 27 October
Light rain. High 49°, low 35°.
Pressure30.00 inHg
Wind3.3 mph NW
Humidity61%
Visibility—
Dew point35°
Wed, 2853° / 42°0.11
Morning45°feels 45°
Afternoon47°feels 47°
Evening47°feels 47°
Overnight42°feels 42°
53 °
Perma, Wednesday, 28 October
Light rain. High 53°, low 42°.
Pressure30.24 inHg
Wind3.6 mph N
Humidity78%
Visibility—
Dew point40°
Thu, 2955° / 36°0
Morning40°feels 40°
Afternoon49°feels 49°
Evening47°feels 47°
Overnight41°feels 39°
55 °
Perma, Thursday, 29 October
Clear. High 55°, low 36°.
Pressure30.06 inHg
Wind3.4 mph S
Humidity60%
Visibility—
Dew point34°
Fri, 3057° / 36°0
Morning40°feels 38°
Afternoon49°feels 49°
Evening47°feels 44°
Overnight41°feels 38°
57 °
Perma, Friday, 30 October
Partly cloudy. High 57°, low 36°.
Pressure29.65 inHg
Wind8.7 mph SW
Humidity50%
Visibility—
Dew point30°
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 Perma, 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.