10-day forecast for Halfmoon, MT: 49° to 90°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
90°
Best day: Tuesday, August 11
72° · 0.13 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1083° / 51°0
Morning55°feels 52°
Afternoon82°feels 80°
Evening78°feels 77°
Overnight59°feels 56°
83 °
Halfmoon, Monday, 10 August
Clear. High 83°, low 51°.
Pressure29.85 inHg
Wind2.1 mph SE
Humidity19%
Visibility6.2 mi
Dew point35°
Tue, 1190° / 49°0
Morning59°feels 57°
Afternoon88°feels 84°
Evening82°feels 80°
Overnight57°feels 54°
90 °
Halfmoon, Tuesday, 11 August
Clear. High 90°, low 49°.
Pressure29.94 inHg
Wind3 mph S
Humidity21%
Visibility6.2 mi
Dew point37°
Wed, 1288° / 53°0
Morning59°feels 59°
Afternoon85°feels 82°
Evening75°feels 74°
Overnight56°feels 55°
88 °
Halfmoon, Wednesday, 12 August
Overcast. High 88°, low 53°.
Pressure29.88 inHg
Wind3.4 mph NE
Humidity38%
Visibility6.2 mi
Dew point49°
Thu, 1372° / 54°0.13
Morning57°feels 56°
Afternoon66°feels 65°
Evening70°feels 69°
Overnight54°feels 54°
72 °
Halfmoon, Thursday, 13 August
Light rain. High 72°, low 54°.
Pressure29.97 inHg
Wind6.1 mph NE
Humidity60%
Visibility6.2 mi
Dew point49°
Fri, 1482° / 49°0
Morning56°feels 55°
Afternoon75°feels 73°
Evening79°feels 77°
Overnight62°feels 61°
82 °
Halfmoon, Friday, 14 August
Overcast. High 82°, low 49°.
Pressure29.97 inHg
Wind5.9 mph N
Humidity40%
Visibility—
Dew point44°
Sat, 1587° / 51°0
Morning59°feels 58°
Afternoon78°feels 77°
Evening81°feels 79°
Overnight65°feels 63°
87 °
Halfmoon, Saturday, 15 August
Mostly clear. High 87°, low 51°.
Pressure29.97 inHg
Wind5.1 mph NE
Humidity38%
Visibility—
Dew point47°
Sun, 1683° / 55°0.04
Morning58°feels 57°
Afternoon71°feels 70°
Evening80°feels 78°
Overnight66°feels 65°
83 °
Halfmoon, Sunday, 16 August
Light rain. High 83°, low 55°.
Pressure29.94 inHg
Wind17.5 mph W
Humidity57%
Visibility—
Dew point51°
Mon, 1784° / 51°0
Morning58°feels 56°
Afternoon77°feels 75°
Evening79°feels 77°
Overnight63°feels 61°
84 °
Halfmoon, Monday, 17 August
Overcast. High 84°, low 51°.
Pressure29.91 inHg
Wind12.5 mph W
Humidity27%
Visibility—
Dew point36°
Tue, 1882° / 52°0
Morning58°feels 56°
Afternoon75°feels 73°
Evening79°feels 78°
Overnight65°feels 64°
82 °
Halfmoon, Tuesday, 18 August
Overcast. High 82°, low 52°.
Pressure29.91 inHg
Wind15.9 mph W
Humidity34%
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 Halfmoon, 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.