Weather Almanac: Lewistown, MT 59457

🗓️ Historical norms for July 2026

June August

Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.

July avg. precipitation

🌧️ 1.93"

July days below freezing

📉 ≈0.0 days

Average July lows 48°F – 53°F

USDA Zone

Annual extreme lows -25°F to -20°F

Last Spring Frost (36°F)

🌷 Always

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First Fall Frost (36°F)

🍂 Always

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F: Forecast

H: Normal High Temp

L: Normal Low Temp

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Wed. July 1

🌅 5:26 a.m.

H: 67°F – 85°F

L: 42°F – 54°F

🌇 9:16 p.m.

Thu. July 2

🌅 5:26 a.m.

H: 68°F – 86°F

L: 43°F – 54°F

🌇 9:16 p.m.

Fri. July 3 Independence Day (observed)

🌅 5:27 a.m.

H: 68°F – 86°F

L: 43°F – 54°F

🌇 9:15 p.m.

Sat. July 4 Independence Day

🌅 5:28 a.m.

H: 68°F – 86°F

L: 43°F – 54°F

🌇 9:15 p.m.

Sun. July 5

🌅 5:28 a.m.

H: 69°F – 87°F

L: 43°F – 55°F

🌇 9:15 p.m.

Mon. July 6

🌅 5:29 a.m.

H: 69°F – 87°F

L: 43°F – 55°F

🌇 9:14 p.m.

Tue. July 7

🌅 5:30 a.m.

H: 69°F – 87°F

L: 44°F – 55°F

🌇 9:14 p.m.

Wed. July 8

🌅 5:31 a.m.

H: 70°F – 88°F

L: 44°F – 55°F

🌇 9:13 p.m.

Thu. July 9

🌅 5:32 a.m.

H: 70°F – 88°F

L: 44°F – 55°F

🌇 9:13 p.m.

Fri. July 10

🌅 5:32 a.m.

H: 71°F – 88°F

L: 44°F – 55°F

🌇 9:12 p.m.

Sat. July 11

🌅 5:33 a.m.

H: 71°F – 89°F

L: 44°F – 56°F

🌇 9:11 p.m.

Sun. July 12

🌅 5:34 a.m.

H: 71°F – 89°F

L: 45°F – 56°F

🌇 9:11 p.m.

Mon. July 13

🌅 5:35 a.m.

H: 72°F – 89°F

L: 45°F – 56°F

🌇 9:10 p.m.

Tue. July 14

🌅 5:36 a.m.

H: 72°F – 89°F

L: 45°F – 56°F

🌇 9:09 p.m.

Wed. July 15

🌅 5:37 a.m.

H: 72°F – 90°F

L: 45°F – 56°F

🌇 9:08 p.m.

Thu. July 16

🌅 5:38 a.m.

H: 73°F – 90°F

L: 45°F – 56°F

🌇 9:08 p.m.

Fri. July 17

🌅 5:39 a.m.

H: 73°F – 90°F

L: 45°F – 56°F

🌇 9:07 p.m.

Sat. July 18

🌅 5:40 a.m.

H: 73°F – 90°F

L: 46°F – 56°F

🌇 9:06 p.m.

Sun. July 19

🌅 5:41 a.m.

H: 73°F – 90°F

L: 46°F – 57°F

🌇 9:05 p.m.

Mon. July 20

🌅 5:42 a.m.

H: 74°F – 91°F

L: 46°F – 57°F

🌇 9:04 p.m.

Tue. July 21

🌅 5:43 a.m.

H: 74°F – 91°F

L: 46°F – 57°F

🌇 9:03 p.m.

Wed. July 22

🌅 5:45 a.m.

H: 74°F – 91°F

L: 46°F – 57°F

🌇 9:02 p.m.

Thu. July 23

🌅 5:46 a.m.

H: 74°F – 91°F

L: 46°F – 57°F

🌇 9:01 p.m.

Fri. July 24

🌅 5:47 a.m.

H: 74°F – 91°F

L: 46°F – 57°F

🌇 9:00 p.m.

Sat. July 25

🌅 5:48 a.m.

H: 74°F – 91°F

L: 46°F – 57°F

🌇 8:58 p.m.

Sun. July 26

🌅 5:49 a.m.

H: 75°F – 91°F

L: 46°F – 57°F

🌇 8:57 p.m.

Mon. July 27

🌅 5:50 a.m.

H: 75°F – 91°F

L: 46°F – 57°F

🌇 8:56 p.m.

Tue. July 28

🌅 5:52 a.m.

H: 75°F – 92°F

L: 46°F – 57°F

🌇 8:55 p.m.

Wed. July 29

🌅 5:53 a.m.

H: 75°F – 92°F

L: 46°F – 57°F

🌇 8:54 p.m.

Thu. July 30

🌅 5:54 a.m.

H: 75°F – 92°F

L: 46°F – 57°F

🌇 8:52 p.m.

Fri. July 31

🌅 5:55 a.m.

H: 75°F – 92°F

L: 46°F – 57°F

🌇 8:51 p.m.

June August

Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.

Temperature climatic data from weather station: LEWISTOWN MUNI AP (USW00024036)

Precipitation climatic data from weather station: LEWISTOWN MUNI AP (USW00024036)

Agricultural climatic data from weather station: LEWISTOWN MUNI AP (USW00024036)