10-day forecast for Lewistown Heights, MT: 50° to 88°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
88°
Best day: Tuesday, August 18
66° · 0.28 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1086° / 50°0
Morning58°feels 56°
Afternoon85°feels 82°
Evening77°feels 76°
Overnight54°feels 52°
86 °
Lewistown Heights, Monday, 10 August
Clear. High 86°, low 50°.
Pressure29.77 inHg
Wind4.4 mph W
Humidity19%
Visibility6.2 mi
Dew point39°
Tue, 1186° / 52°0
Morning69°feels 68°
Afternoon85°feels 82°
Evening75°feels 74°
Overnight58°feels 55°
86 °
Lewistown Heights, Tuesday, 11 August
Clear. High 86°, low 52°.
Pressure29.88 inHg
Wind10.4 mph NW
Humidity18%
Visibility6.2 mi
Dew point36°
Wed, 1282° / 57°0.08
Morning64°feels 62°
Afternoon81°feels 80°
Evening64°feels 63°
Overnight62°feels 60°
82 °
Lewistown Heights, Wednesday, 12 August
Light rain. High 82°, low 57°.
Pressure29.91 inHg
Wind10 mph NE
Humidity32%
Visibility6.2 mi
Dew point45°
Thu, 1366° / 55°0.28
Morning58°feels 58°
Afternoon61°feels 61°
Evening65°feels 64°
Overnight57°feels 56°
66 °
Lewistown Heights, Thursday, 13 August
Light rain. High 66°, low 55°.
Pressure29.94 inHg
Wind8.9 mph E
Humidity81%
Visibility6.2 mi
Dew point54°
Fri, 1467° / 54°0.01
Morning55°feels 55°
Afternoon58°feels 58°
Evening65°feels 65°
Overnight59°feels 59°
67 °
Lewistown Heights, Friday, 14 August
Light rain. High 67°, low 54°.
Pressure30.06 inHg
Wind6.8 mph NW
Humidity83%
Visibility—
Dew point51°
Sat, 1579° / 54°0.34
Morning60°feels 59°
Afternoon74°feels 73°
Evening71°feels 70°
Overnight59°feels 58°
79 °
Lewistown Heights, Saturday, 15 August
Rain. High 79°, low 54°.
Pressure29.97 inHg
Wind9.2 mph SE
Humidity42%
Visibility—
Dew point47°
Sun, 1683° / 58°0.12
Morning65°feels 64°
Afternoon80°feels 78°
Evening67°feels 66°
Overnight60°feels 59°
83 °
Lewistown Heights, Sunday, 16 August
Light rain. High 83°, low 58°.
Pressure29.83 inHg
Wind10.9 mph SW
Humidity28%
Visibility—
Dew point43°
Mon, 1780° / 56°0
Morning62°feels 60°
Afternoon76°feels 75°
Evening78°feels 76°
Overnight64°feels 62°
80 °
Lewistown Heights, Monday, 17 August
Overcast. High 80°, low 56°.
Pressure29.85 inHg
Wind18.5 mph W
Humidity25%
Visibility—
Dew point35°
Tue, 1888° / 59°0
Morning66°feels 64°
Afternoon84°feels 82°
Evening84°feels 81°
Overnight67°feels 65°
88 °
Lewistown Heights, Tuesday, 18 August
Partly cloudy. High 88°, low 59°.
Pressure29.85 inHg
Wind10.6 mph W
Humidity16%
Visibility—
Dew point30°
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 Lewistown Heights, 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.