10-day forecast for Perma, MT: 28° 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
43° · 0.06 in
Worst day: Friday, October 23
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° / 33°0
Morning31°feels 31°
Afternoon54°feels 51°
Evening47°feels 47°
Overnight38°feels 38°
55 °
Perma, Sunday, 18 October
Clear. High 55°, low 33°.
Pressure30.09 inHg
Wind2.7 mph N
Humidity58%
Visibility6.2 mi
Dew point38°
Mon, 1959° / 35°0
Morning40°feels 39°
Afternoon52°feels 49°
Evening56°feels 54°
Overnight39°feels 39°
59 °
Perma, Monday, 19 October
Overcast. High 59°, low 35°.
Pressure29.88 inHg
Wind3.2 mph NE
Humidity60%
Visibility—
Dew point35°
Tue, 2060° / 38°0
Morning43°feels 42°
Afternoon54°feels 52°
Evening55°feels 53°
Overnight46°feels 46°
60 °
Perma, Tuesday, 20 October
Partly cloudy. High 60°, low 38°.
Pressure29.94 inHg
Wind2.7 mph NE
Humidity54%
Visibility—
Dew point35°
Wed, 2159° / 43°0.05
Morning46°feels 45°
Afternoon53°feels 51°
Evening53°feels 51°
Overnight48°feels 46°
59 °
Perma, Wednesday, 21 October
Light rain. High 59°, low 43°.
Pressure29.83 inHg
Wind4.8 mph S
Humidity54%
Visibility—
Dew point36°
Thu, 2251° / 43°0.02
Morning46°feels 43°
Afternoon51°feels 48°
Evening46°feels 43°
Overnight43°feels 40°
51 °
Perma, Thursday, 22 October
Light rain. High 51°, low 43°.
Pressure29.83 inHg
Wind9.8 mph SW
Humidity63%
Visibility—
Dew point38°
Fri, 2343° / 35°0.06
Morning37°feels 33°
Afternoon41°feels 37°
Evening40°feels 37°
Overnight36°feels 35°
43 °
Perma, Friday, 23 October
Snow. High 43°, low 35°.
Pressure30.24 inHg
Wind7.3 mph SW
Humidity74%
Visibility—
Dew point33°
Sat, 2450° / 28°0
Morning32°feels 30°
Afternoon43°feels 43°
Evening43°feels 39°
Overnight34°feels 30°
50 °
Perma, Saturday, 24 October
Overcast. High 50°, low 28°.
Pressure30.59 inHg
Wind7.2 mph SW
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 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.