10-day forecast for Chestnut, MT: 48° to 89°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
89°
Best day: Monday, August 10
79° · 0.3 in
Worst day: Saturday, August 15
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0982° / 49°0
Morning55°feels 51°
Afternoon79°feels 79°
Evening71°feels 69°
Overnight60°feels 57°
82 °
Chestnut, Sunday, 9 August
Partly cloudy. High 82°, low 49°.
Pressure29.85 inHg
Wind6.6 mph NW
Humidity12%
Visibility6.2 mi
Dew point24°
Mon, 1089° / 48°0
Morning53°feels 50°
Afternoon86°feels 83°
Evening76°feels 74°
Overnight55°feels 53°
89 °
Chestnut, Monday, 10 August
Mostly clear. High 89°, low 48°.
Pressure29.83 inHg
Wind10.6 mph W
Humidity11%
Visibility6.2 mi
Dew point24°
Tue, 1186° / 55°0
Morning65°feels 62°
Afternoon85°feels 82°
Evening75°feels 73°
Overnight59°feels 56°
86 °
Chestnut, Tuesday, 11 August
Clear. High 86°, low 55°.
Pressure29.91 inHg
Wind5.3 mph NW
Humidity11%
Visibility6.2 mi
Dew point22°
Wed, 1286° / 57°0
Morning64°feels 62°
Afternoon85°feels 82°
Evening69°feels 67°
Overnight59°feels 57°
86 °
Chestnut, Wednesday, 12 August
Overcast. High 86°, low 57°.
Pressure29.83 inHg
Wind3 mph N
Humidity18%
Visibility6.2 mi
Dew point33°
Thu, 1384° / 53°0
Morning61°feels 59°
Afternoon81°feels 79°
Evening78°feels 76°
Overnight60°feels 59°
84 °
Chestnut, Thursday, 13 August
Light rain. High 84°, low 53°.
Pressure29.77 inHg
Wind15.2 mph W
Humidity22%
Visibility—
Dew point35°
Fri, 1473° / 53°0.21
Morning58°feels 57°
Afternoon71°feels 69°
Evening60°feels 59°
Overnight56°feels 55°
73 °
Chestnut, Friday, 14 August
Rain. High 73°, low 53°.
Pressure29.94 inHg
Wind7.9 mph SE
Humidity39%
Visibility—
Dew point44°
Sat, 1579° / 54°0.3
Morning60°feels 59°
Afternoon71°feels 70°
Evening59°feels 59°
Overnight57°feels 56°
79 °
Chestnut, Saturday, 15 August
Rain. High 79°, low 54°.
Pressure30.06 inHg
Wind5.4 mph NE
Humidity45%
Visibility—
Dew point48°
Sun, 1681° / 53°0.08
Morning60°feels 59°
Afternoon76°feels 75°
Evening65°feels 64°
Overnight57°feels 56°
81 °
Chestnut, Sunday, 16 August
Light rain. High 81°, low 53°.
Pressure30.03 inHg
Wind5.5 mph S
Humidity30%
Visibility—
Dew point41°
Mon, 1783° / 56°0
Morning63°feels 61°
Afternoon81°feels 79°
Evening80°feels 78°
Overnight66°feels 64°
83 °
Chestnut, Monday, 17 August
Mostly clear. High 83°, low 56°.
Pressure30.00 inHg
Wind4.4 mph N
Humidity24%
Visibility—
Dew point37°
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 Chestnut, 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.