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Winter is right around the corner, and it could be snowy. Read AccuWeather's 2025-26 U.S. winter forecast. Chevron right

Lewistown, MT

51°F
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Lewistown

Montana

51°
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Lewistown, MT Weather
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7 AM

51°
RealFeel® 49°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 18%
Chevron down
Cloudy

WindESE 6 mph

Air QualityExcellent

Wind Gusts8 mph

Humidity75%

Indoor Humidity40% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling24300 ft

8 AM

50°
RealFeel® 51°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 15%
Chevron down
Partly sunny

RealFeel Shade™51°

WindESE 5 mph

Air QualityExcellent

Max UV Index0.6 (Low)

Wind Gusts6 mph

Humidity74%

Indoor Humidity39% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover44%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

52°
RealFeel® 55°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 15%
Chevron down
Partly sunny

RealFeel Shade™51°

WindWNW 5 mph

Air QualityExcellent

Max UV Index1.4 (Low)

Wind Gusts6 mph

Humidity72%

Indoor Humidity41% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

55°
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 20%
Chevron down
Partly sunny

RealFeel Shade™53°

WindWNW 6 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts7 mph

Humidity67%

Indoor Humidity41% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

57°
RealFeel® 57°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 52%
Chevron down
Partly sunny w/ showers

RealFeel Shade™52°

WindNW 7 mph

Air QualityFair

Max UV Index2.9 (Moderate)

Wind Gusts8 mph

Humidity61%

Indoor Humidity42% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Rain0.03 in

Visibility6 mi

Cloud Ceiling30000 ft

12 PM

59°
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 48%
Chevron down
Partly sunny

RealFeel Shade™56°

WindNW 7 mph

Air QualityFair

Max UV Index3.5 (Moderate)

Wind Gusts10 mph

Humidity57%

Indoor Humidity40% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

60°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 41%
Chevron down
Partly sunny

RealFeel Shade™58°

WindNW 8 mph

Air QualityFair

Max UV Index3.7 (Moderate)

Wind Gusts12 mph

Humidity51%

Indoor Humidity39% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

61°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 34%
Chevron down
Partly sunny

RealFeel Shade™59°

WindNW 8 mph

Air QualityFair

Max UV Index3.5 (Moderate)

Wind Gusts12 mph

Humidity50%

Indoor Humidity39% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

62°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 34%
Chevron down
Partly sunny

RealFeel Shade™60°

WindNW 8 mph

Air QualityFair

Max UV Index2.9 (Moderate)

Wind Gusts13 mph

Humidity49%

Indoor Humidity40% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

64°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 37%
Chevron down
Partly sunny

RealFeel Shade™61°

WindNW 8 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts14 mph

Humidity47%

Indoor Humidity40% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

61°
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 47%
Chevron down
Partly sunny

RealFeel Shade™58°

WindNW 8 mph

Air QualityFair

Max UV Index1.4 (Low)

Wind Gusts14 mph

Humidity53%

Indoor Humidity41% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

59°
RealFeel® 54°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 51%
Chevron down
Partly sunny w/ showers

RealFeel Shade™54°

WindNW 8 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts13 mph

Humidity60%

Indoor Humidity44% (Ideal Humidity)

Dew Point45° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover45%

Rain0.03 in

Visibility6 mi

Cloud Ceiling30000 ft

7 PM

57°
RealFeel® 54°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 47%
Chevron down
Partly cloudy

WindNW 7 mph

Air QualityFair

Wind Gusts9 mph

Humidity67%

Indoor Humidity45% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

54°
RealFeel® 52°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 47%
Chevron down
Cloudy

WindNW 6 mph

Air QualityFair

Wind Gusts8 mph

Humidity74%

Indoor Humidity45% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling14700 ft

9 PM

52°
RealFeel® 48°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 51%
Chevron down
Showers

WindWNW 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity80%

Indoor Humidity45% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Rain0.02 in

Visibility6 mi

Cloud Ceiling7000 ft

10 PM

50°
RealFeel® 48°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 47%
Chevron down
Cloudy

WindW 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity87%

Indoor Humidity45% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling12100 ft

11 PM

49°
RealFeel® 47°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 34%
Chevron down
Cloudy

WindW 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity89%

Indoor Humidity45% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling9600 ft

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World North America United States Montana Lewistown

Weather Near Lewistown:

  • Billings, MT
  • Great Falls, MT
  • Havre, MT
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Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
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Apps & Downloads
iPhone App Android App See all Apps & Downloads
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More
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