10-day forecast for Custer, MT: 32° to 75°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
75°
Best day: Saturday, October 17
50° · 0.65 in
Worst day: Wednesday, October 21
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 1356° / 32°0
Morning34°feels 30°
Afternoon54°feels 51°
Evening44°feels 43°
Overnight35°feels 35°
56 °
Custer, Tuesday, 13 October
Clear. High 56°, low 32°.
Pressure30.06 inHg
Wind4.2 mph SW
Humidity53%
Visibility6.2 mi
Dew point33°
Wed, 1462° / 35°0
Morning36°feels 34°
Afternoon60°feels 57°
Evening49°feels 46°
Overnight39°feels 39°
62 °
Custer, Wednesday, 14 October
Clear. High 62°, low 35°.
Pressure30.15 inHg
Wind5.8 mph S
Humidity49%
Visibility6.2 mi
Dew point36°
Thu, 1557° / 40°0
Morning40°feels 37°
Afternoon56°feels 53°
Evening44°feels 42°
Overnight45°feels 40°
57 °
Custer, Thursday, 15 October
Mostly clear. High 57°, low 40°.
Pressure30.65 inHg
Wind5 mph N
Humidity44%
Visibility6.2 mi
Dew point30°
Fri, 1668° / 37°0
Morning41°feels 38°
Afternoon65°feels 63°
Evening54°feels 51°
Overnight38°feels 35°
68 °
Custer, Friday, 16 October
Clear. High 68°, low 37°.
Pressure30.42 inHg
Wind5.8 mph SW
Humidity43%
Visibility6.2 mi
Dew point35°
Sat, 1775° / 46°0
Morning53°feels 50°
Afternoon68°feels 66°
Evening63°feels 60°
Overnight53°feels 50°
75 °
Custer, Saturday, 17 October
Clear. High 75°, low 46°.
Pressure29.91 inHg
Wind13.1 mph SW
Humidity27%
Visibility—
Dew point31°
Sun, 1865° / 47°0
Morning51°feels 50°
Afternoon60°feels 57°
Evening60°feels 58°
Overnight55°feels 53°
65 °
Custer, Sunday, 18 October
Overcast. High 65°, low 47°.
Pressure30.00 inHg
Wind5.8 mph W
Humidity41%
Visibility—
Dew point34°
Mon, 1974° / 52°0
Morning57°feels 54°
Afternoon68°feels 66°
Evening64°feels 62°
Overnight60°feels 56°
74 °
Custer, Monday, 19 October
Clear. High 74°, low 52°.
Pressure29.71 inHg
Wind7.3 mph S
Humidity23%
Visibility—
Dew point28°
Tue, 2067° / 56°0
Morning58°feels 55°
Afternoon63°feels 60°
Evening60°feels 58°
Overnight56°feels 53°
67 °
Custer, Tuesday, 20 October
Overcast. High 67°, low 56°.
Pressure29.62 inHg
Wind21.5 mph W
Humidity24%
Visibility—
Dew point25°
Wed, 2150° / 42°0.65
Morning44°feels 38°
Afternoon42°feels 36°
Evening44°feels 39°
Overnight43°feels 41°
50 °
Custer, Wednesday, 21 October
Rain. High 50°, low 42°.
Pressure29.91 inHg
Wind14.3 mph NW
Humidity91%
Visibility—
Dew point40°
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.