Lewistown, MT weather

Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month

Weather in Lewistown now

Loading the National Weather Service forecast…

Lewistown weather by the hour

Lewistown weather for the next 7 days

Source: National Weather Service (NOAA) · forecast for the coordinates of Lewistown.

This week in Lewistown

Sunrise, sunset and moon in Lewistown

What is the weather usually like in Lewistown?

Dfb
Warm-summer humid continental climate
Köppen climate classification, calculated from the 1991–2020 normals

Average high and low temperature (°F)

9°29°48°68°87°35°14°Jan36°15°Feb45°22°Mar54°29°Apr63°38°May72°46°Jun82°51°Jul82°50°Aug71°42°Sep57°31°Oct44°22°Nov36°14°Dec

Average precipitation (inches)

0.6"Jan0.5"Feb0.9"Mar1.7"Apr2.9"May3.4"Jun1.8"Jul1.7"Aug1.4"Sep1.3"Oct0.7"Nov0.5"Dec

Best time to visit Lewistown: June to September, with mild temperatures and fewer rainy days.

Source: NOAA NCEI U.S. Climate Normals 1991–2020, station LEWISTOWN MUNI AP, MT US (USW00024036), adjusted for the elevation of Lewistown.

Lewistown weather month by month

January
35° 14°F
0.6 in of rain · 2 wet days
February
36° 15°F
0.5 in of rain · 2 wet days
March
45° 22°F
0.9 in of rain · 3 wet days
April
54° 29°F
1.7 in of rain · 5 wet days
May
63° 38°F
2.9 in of rain · 7 wet days
June
72° 46°F
3.4 in of rain · 8 wet days
July
82° 51°F
1.8 in of rain · 5 wet days
August
82° 50°F
1.7 in of rain · 4 wet days
September
71° 42°F
1.4 in of rain · 4 wet days
October
57° 31°F
1.3 in of rain · 4 wet days
November
44° 22°F
0.7 in of rain · 2 wet days
December
36° 14°F
0.5 in of rain · 2 wet days

Sunrise and sunset in Lewistown through the year

MonthSunriseSunsetDaylight
January7:57 AM4:57 PM9 h 0 min
February7:20 AM5:43 PM10 h 23 min
March7:28 AM7:24 PM11 h 56 min
April6:27 AM8:08 PM13 h 40 min
May5:39 AM8:48 PM15 h 8 min
June5:20 AM9:16 PM15 h 56 min
July5:36 AM9:11 PM15 h 34 min
August6:13 AM8:30 PM14 h 16 min
September6:54 AM7:31 PM12 h 36 min
October7:34 AM6:32 PM10 h 57 min
November7:20 AM4:44 PM9 h 24 min
December7:55 AM4:30 PM8 h 35 min

Times for the 15th of each month, local time (America/Denver).

What is the weather like in Lewistown?

Lewistown has a warm-summer humid continental climate. The warmest month is July, with an average high of 82°F (28°C), and the coldest is January, with average lows of 14°F (-10°C).

It gets about 17.2 inches (436 mm) of precipitation a year. The wettest month is June and the driest is February.

The best time to visit Lewistown is June to September. At 3,950 ft of elevation, nights are cool even in summer. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.

More about Lewistown

Weather in towns near Lewistown

Questions about the weather in Lewistown

What is the hottest month in Lewistown?

July, with an average high of 82°F (28°C).

What is the coldest month in Lewistown?

January, with an average low of 14°F (-10°C).

How much does it rain in Lewistown?

About 17.2 inches (436 mm) a year; the wettest month is June.

Does it snow in Lewistown?

Snow is very rare or not recorded at the nearest weather station.

When is the best time to visit Lewistown?

June to September, when temperatures are most pleasant and rainy days are fewer.

What climate does Lewistown have?

Warm-summer humid continental (Köppen Dfb).

What is the weather like in Lewistown in November?

Highs average 44°F and lows 22°F, with about 0.7 inches of precipitation.

What time is sunrise in Lewistown?

Around 7:20 AM in mid-November, and sunset around 4:44 PM. Today’s exact times are shown above.

Where does this Lewistown weather forecast come from?

From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Lewistown.

All about Lewistown ›

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