10-day forecast for Custer, MT: 34° to 75°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
75°
Best day: Saturday, October 17
46° · 0.74 in
Worst day: Sunday, October 11
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1244° / 35°0.1
Morning36°feels 29°
Afternoon41°feels 37°
Evening40°feels 37°
Overnight36°feels 27°
44 °
Custer, Monday, 12 October
Light rain. High 44°, low 35°.
Pressure30.09 inHg
Wind9.6 mph NW
Humidity70%
Visibility6.2 mi
Dew point31°
Tue, 1354° / 34°0
Morning35°feels 35°
Afternoon52°feels 49°
Evening44°feels 44°
Overnight36°feels 36°
54 °
Custer, Tuesday, 13 October
Overcast. High 54°, low 34°.
Pressure30.12 inHg
Wind4.4 mph SW
Humidity60%
Visibility6.2 mi
Dew point34°
Wed, 1461° / 34°0
Morning35°feels 35°
Afternoon60°feels 58°
Evening50°feels 50°
Overnight37°feels 37°
61 °
Custer, Wednesday, 14 October
Clear. High 61°, low 34°.
Pressure30.12 inHg
Wind5.1 mph S
Humidity53%
Visibility6.2 mi
Dew point38°
Thu, 1555° / 41°0
Morning44°feels 40°
Afternoon54°feels 51°
Evening44°feels 42°
Overnight46°feels 42°
55 °
Custer, Thursday, 15 October
Clear. High 55°, low 41°.
Pressure30.65 inHg
Wind10.5 mph N
Humidity43%
Visibility6.2 mi
Dew point25°
Fri, 1667° / 35°0
Morning41°feels 38°
Afternoon57°feels 55°
Evening58°feels 56°
Overnight45°feels 42°
67 °
Custer, Friday, 16 October
Clear. High 67°, low 35°.
Pressure30.39 inHg
Wind6.2 mph SW
Humidity40%
Visibility—
Dew point30°
Sat, 1775° / 43°0
Morning52°feels 48°
Afternoon68°feels 66°
Evening67°feels 65°
Overnight58°feels 56°
75 °
Custer, Saturday, 17 October
Partly cloudy. High 75°, low 43°.
Pressure29.88 inHg
Wind17 mph W
Humidity27%
Visibility—
Dew point30°
Sun, 1871° / 54°0
Morning58°feels 55°
Afternoon67°feels 65°
Evening64°feels 62°
Overnight59°feels 56°
71 °
Custer, Sunday, 18 October
Overcast. High 71°, low 54°.
Pressure29.91 inHg
Wind8.5 mph SW
Humidity30%
Visibility—
Dew point33°
Mon, 1971° / 51°0
Morning55°feels 52°
Afternoon65°feels 62°
Evening64°feels 62°
Overnight60°feels 57°
71 °
Custer, Monday, 19 October
Mostly clear. High 71°, low 51°.
Pressure29.83 inHg
Wind7.3 mph NE
Humidity34%
Visibility—
Dew point34°
Tue, 2062° / 49°0.11
Morning55°feels 53°
Afternoon51°feels 49°
Evening53°feels 50°
Overnight51°feels 47°
62 °
Custer, Tuesday, 20 October
Light rain. High 62°, low 49°.
Pressure29.62 inHg
Wind18.9 mph NW
Humidity67%
Visibility—
Dew point41°
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.