Weather Almanac: Grand Marais, MN 55604

🗓️ Historical norms for August 2026

July September

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

August avg. precipitation

🌧️ 3.77"

August days below freezing

📉 ≈0.0 days

Average August lows 50°F – 55°F

USDA Zone

Annual extreme lows -35°F to -30°F

Last Spring Frost (36°F)

🌷 Jun 6

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First Fall Frost (36°F)

🍂 Sep 15

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F: Forecast

H: Normal High Temp

L: Normal Low Temp

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Sat. August 1

🌅 5:38 a.m.

H: 66°F – 80°F

L: 48°F – 60°F

🌇 8:37 p.m.

Sun. August 2

🌅 5:40 a.m.

H: 66°F – 80°F

L: 48°F – 60°F

🌇 8:36 p.m.

Mon. August 3

🌅 5:41 a.m.

H: 66°F – 80°F

L: 48°F – 59°F

🌇 8:34 p.m.

Tue. August 4

🌅 5:42 a.m.

H: 66°F – 80°F

L: 48°F – 59°F

🌇 8:33 p.m.

Wed. August 5

🌅 5:43 a.m.

H: 66°F – 80°F

L: 48°F – 59°F

🌇 8:31 p.m.

Thu. August 6

🌅 5:45 a.m.

H: 66°F – 79°F

L: 48°F – 59°F

🌇 8:30 p.m.

Fri. August 7

🌅 5:46 a.m.

H: 66°F – 79°F

L: 48°F – 59°F

🌇 8:28 p.m.

Sat. August 8

🌅 5:47 a.m.

H: 66°F – 79°F

L: 48°F – 59°F

🌇 8:26 p.m.

Sun. August 9

🌅 5:49 a.m.

H: 66°F – 79°F

L: 48°F – 59°F

🌇 8:25 p.m.

Mon. August 10

🌅 5:50 a.m.

H: 66°F – 79°F

L: 48°F – 59°F

🌇 8:23 p.m.

Tue. August 11

🌅 5:51 a.m.

H: 66°F – 79°F

L: 47°F – 59°F

🌇 8:21 p.m.

Wed. August 12

🌅 5:53 a.m.

H: 66°F – 79°F

L: 47°F – 59°F

🌇 8:20 p.m.

Thu. August 13

🌅 5:54 a.m.

H: 66°F – 78°F

L: 47°F – 59°F

🌇 8:18 p.m.

Fri. August 14

🌅 5:56 a.m.

H: 65°F – 78°F

L: 47°F – 59°F

🌇 8:16 p.m.

Sat. August 15

🌅 5:57 a.m.

H: 65°F – 78°F

L: 47°F – 59°F

🌇 8:15 p.m.

Sun. August 16

🌅 5:58 a.m.

H: 65°F – 78°F

L: 47°F – 59°F

🌇 8:13 p.m.

Mon. August 17

🌅 6:00 a.m.

H: 65°F – 78°F

L: 47°F – 58°F

🌇 8:11 p.m.

Tue. August 18

🌅 6:01 a.m.

H: 65°F – 78°F

L: 47°F – 58°F

🌇 8:09 p.m.

Wed. August 19

🌅 6:02 a.m.

H: 65°F – 77°F

L: 46°F – 58°F

🌇 8:07 p.m.

Thu. August 20

🌅 6:04 a.m.

H: 64°F – 77°F

L: 46°F – 58°F

🌇 8:06 p.m.

Fri. August 21

🌅 6:05 a.m.

H: 64°F – 77°F

L: 46°F – 58°F

🌇 8:04 p.m.

Sat. August 22

🌅 6:06 a.m.

H: 64°F – 77°F

L: 46°F – 58°F

🌇 8:02 p.m.

Sun. August 23

🌅 6:08 a.m.

H: 63°F – 76°F

L: 46°F – 58°F

🌇 8:00 p.m.

Mon. August 24

🌅 6:09 a.m.

H: 63°F – 76°F

L: 45°F – 57°F

🌇 7:58 p.m.

Tue. August 25

🌅 6:10 a.m.

H: 63°F – 76°F

L: 45°F – 57°F

🌇 7:56 p.m.

Wed. August 26

🌅 6:12 a.m.

H: 63°F – 76°F

L: 45°F – 57°F

🌇 7:54 p.m.

Thu. August 27

🌅 6:13 a.m.

H: 62°F – 75°F

L: 45°F – 57°F

🌇 7:52 p.m.

Fri. August 28

🌅 6:15 a.m.

H: 62°F – 75°F

L: 44°F – 56°F

🌇 7:50 p.m.

Sat. August 29

🌅 6:16 a.m.

H: 62°F – 75°F

L: 44°F – 56°F

🌇 7:48 p.m.

Sun. August 30

🌅 6:17 a.m.

H: 61°F – 74°F

L: 44°F – 56°F

🌇 7:46 p.m.

Mon. August 31

🌅 6:19 a.m.

H: 61°F – 74°F

L: 44°F – 56°F

🌇 7:44 p.m.

July September

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

Temperature climatic data from weather station: LUTSEN 3NNE (USC00214918)

Precipitation climatic data from weather station: LUTSEN 3NNE (USC00214918)

Agricultural climatic data from weather station: LUTSEN 3NNE (USC00214918)