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As of 09:20 MDT

Weather in Lewistown, MT

62°Current weather

Lewistown, Sunday, 9 August, 09:20

Mostly clear. Feels like 60°. High 84°, low 54°.

Pressure29.88 inHg
Wind7.3 mph W
Humidity38%
Visibility6.2 mi
Dew point35°

10-day forecast for Lewistown, MT: 50° to 91°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.

91°
Best day: Sunday, August 16
69° · 0.45 in
Worst day: Thursday, August 13

Tap any day below to see morning, afternoon, evening and overnight.

Mon, 1085° / 50°0Clear
MorningClear58°feels 55°
AfternoonClear85°feels 82°
EveningClear75°feels 74°
OvernightPartly cloudy57°feels 55°
85 °Clear

Lewistown, Monday, 10 August

Clear. High 85°, low 50°.

Pressure29.77 inHg
Wind4.4 mph NW
Humidity18%
Visibility6.2 mi
Dew point39°
Tue, 1184° / 61°0Clear
MorningClear67°feels 66°
AfternoonClear83°feels 81°
EveningClear74°feels 73°
OvernightClear64°feels 63°
84 °Clear

Lewistown, Tuesday, 11 August

Clear. High 84°, low 61°.

Pressure29.91 inHg
Wind10.9 mph NW
Humidity23%
Visibility6.2 mi
Dew point40°
Wed, 1285° / 59°0.11Light rain
MorningOvercast67°feels 66°
AfternoonOvercast85°feels 82°
EveningRain66°feels 65°
OvernightClear62°feels 60°
85 °Light rain

Lewistown, Wednesday, 12 August

Light rain. High 85°, low 59°.

Pressure29.85 inHg
Wind6.6 mph N
Humidity26%
Visibility6.2 mi
Dew point43°
Thu, 1369° / 55°0.45Rain
MorningLight rain59°feels 59°
AfternoonRain66°feels 66°
EveningRain64°feels 64°
OvernightLight rain59°feels 58°
69 °Rain

Lewistown, Thursday, 13 August

Rain. High 69°, low 55°.

Pressure29.88 inHg
Wind9.4 mph SE
Humidity69%
Visibility—
Dew point54°
Fri, 1468° / 54°0Overcast
MorningOvercast56°feels 55°
AfternoonOvercast61°feels 60°
EveningOvercast67°feels 66°
OvernightOvercast59°feels 58°
68 °Overcast

Lewistown, Friday, 14 August

Overcast. High 68°, low 54°.

Pressure30.03 inHg
Wind7 mph NW
Humidity76%
Visibility—
Dew point51°
Sat, 1584° / 55°0.04Light rain
MorningLight rain61°feels 61°
AfternoonLight rain78°feels 78°
EveningLight rain78°feels 78°
OvernightLight rain65°feels 65°
84 °Light rain

Lewistown, Saturday, 15 August

Light rain. High 84°, low 55°.

Pressure30.03 inHg
Wind7.5 mph SW
Humidity38%
Visibility—
Dew point47°
Sun, 1691° / 61°0.02Light rain
MorningLight rain68°feels 66°
AfternoonLight rain86°feels 83°
EveningLight rain85°feels 82°
OvernightLight rain65°feels 64°
91 °Light rain

Lewistown, Sunday, 16 August

Light rain. High 91°, low 61°.

Pressure29.97 inHg
Wind7.9 mph E
Humidity26%
Visibility—
Dew point44°
Mon, 1786° / 68°0Overcast
MorningOvercast75°feels 74°
AfternoonOvercast82°feels 80°
EveningOvercast82°feels 80°
OvernightOvercast73°feels 71°
86 °Overcast

Lewistown, Monday, 17 August

Overcast. High 86°, low 68°.

Pressure29.88 inHg
Wind19.2 mph W
Humidity27%
Visibility—
Dew point43°
Tue, 1885° / 63°0Partly cloudy
MorningPartly cloudy68°feels 66°
AfternoonPartly cloudy81°feels 79°
EveningPartly cloudy81°feels 79°
OvernightPartly cloudy68°feels 66°
85 °Partly cloudy

Lewistown, Tuesday, 18 August

Partly cloudy. High 85°, low 63°.

Pressure30.00 inHg
Wind11.9 mph NW
Humidity19%
Visibility—
Dew point32°

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, 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.