10-day forecast for Custer, MT: 31° to 76°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
76°
Best day: Monday, October 19
47° · 0.69 in
Worst day: Sunday, October 11
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1245° / 35°0.19
Morning37°feels 30°
Afternoon45°feels 40°
Evening39°feels 37°
Overnight39°feels 31°
45 °
Custer, Monday, 12 October
Rain. High 45°, low 35°.
Pressure30.12 inHg
Wind9.6 mph NW
Humidity69%
Visibility6.2 mi
Dew point32°
Tue, 1355° / 34°0
Morning36°feels 36°
Afternoon51°feels 49°
Evening43°feels 43°
Overnight35°feels 35°
55 °
Custer, Tuesday, 13 October
Overcast. High 55°, low 34°.
Pressure30.06 inHg
Wind4.2 mph SW
Humidity60%
Visibility6.2 mi
Dew point35°
Wed, 1456° / 31°0
Morning35°feels 32°
Afternoon54°feels 51°
Evening47°feels 47°
Overnight34°feels 34°
56 °
Custer, Wednesday, 14 October
Mostly clear. High 56°, low 31°.
Pressure30.30 inHg
Wind2.7 mph S
Humidity53%
Visibility6.2 mi
Dew point34°
Thu, 1561° / 37°0
Morning43°feels 39°
Afternoon56°feels 54°
Evening54°feels 52°
Overnight45°feels 41°
61 °
Custer, Thursday, 15 October
Clear. High 61°, low 37°.
Pressure30.47 inHg
Wind10.3 mph N
Humidity42%
Visibility—
Dew point31°
Fri, 1656° / 39°0
Morning44°feels 41°
Afternoon55°feels 52°
Evening49°feels 46°
Overnight42°feels 36°
56 °
Custer, Friday, 16 October
Clear. High 56°, low 39°.
Pressure30.47 inHg
Wind12.1 mph SE
Humidity45%
Visibility—
Dew point33°
Sat, 1771° / 39°0
Morning45°feels 41°
Afternoon60°feels 58°
Evening62°feels 59°
Overnight53°feels 50°
71 °
Custer, Saturday, 17 October
Mostly clear. High 71°, low 39°.
Pressure30.09 inHg
Wind16.6 mph W
Humidity30%
Visibility—
Dew point26°
Sun, 1875° / 52°0
Morning56°feels 54°
Afternoon68°feels 66°
Evening66°feels 64°
Overnight60°feels 57°
75 °
Custer, Sunday, 18 October
Overcast. High 75°, low 52°.
Pressure30.03 inHg
Wind13.6 mph SW
Humidity27%
Visibility—
Dew point31°
Mon, 1976° / 55°0
Morning60°feels 57°
Afternoon71°feels 69°
Evening68°feels 65°
Overnight63°feels 60°
76 °
Custer, Monday, 19 October
Clear. High 76°, low 55°.
Pressure29.97 inHg
Wind15.3 mph SW
Humidity25%
Visibility—
Dew point32°
Tue, 2073° / 56°0
Morning60°feels 57°
Afternoon68°feels 66°
Evening64°feels 62°
Overnight58°feels 55°
73 °
Custer, Tuesday, 20 October
Overcast. High 73°, low 56°.
Pressure29.85 inHg
Wind19.4 mph NW
Humidity27%
Visibility—
Dew point32°
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 Custer, 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.