10-day forecast for Perma, MT: 49° to 94°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
94°
Best day: Monday, August 17
86°
Worst day: Friday, August 14
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0988° / 51°0
Morning57°feels 54°
Afternoon82°feels 79°
Evening79°feels 79°
Overnight60°feels 57°
88 °
Perma, Sunday, 9 August
Clear. High 88°, low 51°.
Pressure29.88 inHg
Wind1.4 mph N
Humidity16%
Visibility6.2 mi
Dew point33°
Mon, 1090° / 49°0
Morning54°feels 51°
Afternoon89°feels 85°
Evening81°feels 79°
Overnight56°feels 53°
90 °
Perma, Monday, 10 August
Clear. High 90°, low 49°.
Pressure29.85 inHg
Wind4 mph NW
Humidity16%
Visibility6.2 mi
Dew point32°
Tue, 1191° / 55°0
Morning62°feels 60°
Afternoon88°feels 84°
Evening83°feels 81°
Overnight60°feels 57°
91 °
Perma, Tuesday, 11 August
Clear. High 91°, low 55°.
Pressure29.94 inHg
Wind2.6 mph NW
Humidity18%
Visibility6.2 mi
Dew point34°
Wed, 1290° / 61°0
Morning64°feels 62°
Afternoon87°feels 84°
Evening81°feels 80°
Overnight62°feels 60°
90 °
Perma, Wednesday, 12 August
Overcast. High 90°, low 61°.
Pressure29.83 inHg
Wind2.7 mph N
Humidity19%
Visibility6.2 mi
Dew point35°
Thu, 1387° / 55°0
Morning62°feels 60°
Afternoon79°feels 78°
Evening84°feels 80°
Overnight66°feels 64°
87 °
Perma, Thursday, 13 August
Clear. High 87°, low 55°.
Pressure29.83 inHg
Wind15.3 mph W
Humidity36%
Visibility—
Dew point46°
Fri, 1486° / 53°0
Morning60°feels 58°
Afternoon78°feels 77°
Evening83°feels 80°
Overnight66°feels 64°
86 °
Perma, Friday, 14 August
Clear. High 86°, low 53°.
Pressure29.97 inHg
Wind5 mph N
Humidity35%
Visibility—
Dew point44°
Sat, 1589° / 54°0
Morning61°feels 60°
Afternoon81°feels 80°
Evening86°feels 83°
Overnight68°feels 66°
89 °
Perma, Saturday, 15 August
Partly cloudy. High 89°, low 54°.
Pressure30.03 inHg
Wind5.8 mph N
Humidity33%
Visibility—
Dew point45°
Sun, 1693° / 58°0
Morning66°feels 63°
Afternoon87°feels 84°
Evening88°feels 84°
Overnight71°feels 69°
93 °
Perma, Sunday, 16 August
Overcast. High 93°, low 58°.
Pressure30.00 inHg
Wind14.7 mph W
Humidity15%
Visibility—
Dew point30°
Mon, 1794° / 62°0
Morning70°feels 67°
Afternoon91°feels 87°
Evening89°feels 85°
Overnight72°feels 70°
94 °
Perma, Monday, 17 August
Mostly clear. High 94°, low 62°.
Pressure29.91 inHg
Wind12.6 mph W
Humidity16%
Visibility—
Dew point35°
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.