10-day forecast for Perma, MT: 31° to 66°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
66°
Best day: Saturday, October 17
42° · 0.06 in
Worst day: Saturday, October 24
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 1661° / 34°0
Morning35°feels 35°
Afternoon59°feels 57°
Evening48°feels 48°
Overnight37°feels 37°
61 °
Perma, Friday, 16 October
Overcast. High 61°, low 34°.
Pressure30.45 inHg
Wind2.5 mph N
Humidity53%
Visibility6.2 mi
Dew point35°
Sat, 1766° / 33°0
Morning33°feels 33°
Afternoon66°feels 63°
Evening50°feels 49°
Overnight37°feels 37°
66 °
Perma, Saturday, 17 October
Overcast. High 66°, low 33°.
Pressure30.03 inHg
Wind2.9 mph SW
Humidity37%
Visibility6.2 mi
Dew point36°
Sun, 1855° / 31°0
Morning31°feels 31°
Afternoon54°feels 51°
Evening47°feels 47°
Overnight38°feels 38°
55 °
Perma, Sunday, 18 October
Clear. High 55°, low 31°.
Pressure30.09 inHg
Wind2.7 mph N
Humidity58%
Visibility6.2 mi
Dew point38°
Mon, 1959° / 36°0
Morning37°feels 37°
Afternoon52°feels 49°
Evening55°feels 53°
Overnight39°feels 39°
59 °
Perma, Monday, 19 October
Overcast. High 59°, low 36°.
Pressure29.88 inHg
Wind3.3 mph NE
Humidity56%
Visibility—
Dew point34°
Tue, 2060° / 38°0
Morning42°feels 41°
Afternoon54°feels 51°
Evening55°feels 53°
Overnight46°feels 46°
60 °
Perma, Tuesday, 20 October
Overcast. High 60°, low 38°.
Pressure29.97 inHg
Wind1.8 mph NE
Humidity56%
Visibility—
Dew point36°
Wed, 2155° / 43°0.06
Morning48°feels 48°
Afternoon54°feels 52°
Evening48°feels 48°
Overnight47°feels 47°
55 °
Perma, Wednesday, 21 October
Light rain. High 55°, low 43°.
Pressure29.74 inHg
Wind3 mph SE
Humidity50%
Visibility—
Dew point36°
Thu, 2255° / 44°0
Morning49°feels 47°
Afternoon52°feels 50°
Evening49°feels 46°
Overnight45°feels 42°
55 °
Perma, Thursday, 22 October
Light rain. High 55°, low 44°.
Pressure29.85 inHg
Wind14.8 mph W
Humidity57%
Visibility—
Dew point37°
Fri, 2344° / 34°0.03
Morning37°feels 32°
Afternoon43°feels 37°
Evening40°feels 35°
Overnight34°feels 29°
44 °
Perma, Friday, 23 October
Light rain. High 44°, low 34°.
Pressure30.18 inHg
Wind11.5 mph SW
Humidity60%
Visibility—
Dew point29°
Sat, 2442° / 31°0.06
Morning34°feels 31°
Afternoon40°feels 38°
Evening40°feels 40°
Overnight36°feels 34°
42 °
Perma, Saturday, 24 October
Snow. High 42°, low 31°.
Pressure30.27 inHg
Wind5 mph SW
Humidity76%
Visibility—
Dew point31°
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.