Current weather conditions and 15 day weather forecast for Grand Marais/Cook County Seaplane Base, Minnesota, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
| 21 August 2026 Friday 15.2 ° C / 59.4°F ![]() Light rain |
Feels Like : 15.2 ° C / 59.4°F Humidity : % 83 Pressure : 1015 mb Wind Speed : 4 kmph / 2.5 miles from SSE ![]() Visibility : 7 km Precipitation (rainfall) : 2.06 mm Cloud (%) : 100 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 20 August 2026 Thursday | Overcast |
14.2 ° C (57.6°F) |
17.5 ° C (63.5°F) |
16 ° C (60.8°F) |
% 71 | 81% | 4.7 | Sunrise:06:03 AM Sunset: 08:05 PM |
Moonrise:03:51 PM Moonset: 11:28 PM Moon Phase ( First Quarter ) |
|
| 21 August 2026 Friday | Moderate rain |
13.5 ° C (56.3°F) |
20.8 ° C (69.5°F) |
16.4 ° C (61.6°F) |
% 83 | 87% | 5.8 | Sunrise:06:04 AM Sunset: 08:03 PM |
Moonrise:04:52 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 22 August 2026 Saturday | Sunny |
14.1 ° C (57.4°F) |
19.1 ° C (66.4°F) |
16.9 ° C (62.4°F) |
% 72 | 10% | 6.2 | Sunrise:06:06 AM Sunset: 08:02 PM |
Moonrise:05:41 PM Moonset: 12:16 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 August 2026 Sunday | Sunny |
11.7 ° C (53.1°F) |
13.7 ° C (56.7°F) |
12.5 ° C (54.6°F) |
% 78 | 12% | 6.5 | Sunrise:06:07 AM Sunset: 08:00 PM |
Moonrise:06:19 PM Moonset: 01:14 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 August 2026 Monday | Overcast |
12.4 ° C (54.3°F) |
15 ° C (58.9°F) |
13.7 ° C (56.6°F) |
% 70 | 14% | 3 | Sunrise:06:08 AM Sunset: 07:58 PM |
Moonrise:06:48 PM Moonset: 02:19 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 August 2026 Tuesday | Sunny |
14 ° C (57.2°F) |
16.7 ° C (62.1°F) |
15.4 ° C (59.6°F) |
% 75 | 36% | 5 | Sunrise:06:10 AM Sunset: 07:56 PM |
Moonrise:07:11 PM Moonset: 03:27 AM Moon Phase ( Full Moon ) |
|
| 26 August 2026 Wednesday | Sunny |
14.6 ° C (58.3°F) |
19.2 ° C (66.6°F) |
16.8 ° C (62.2°F) |
% 74 | 11% | 5 | Sunrise:06:11 AM Sunset: 07:54 PM |
Moonrise:07:29 PM Moonset: 04:36 AM Moon Phase ( Full Moon ) |
|
| 27 August 2026 Thursday | Sunny |
15.1 ° C (59.1°F) |
19.4 ° C (66.8°F) |
16.7 ° C (62°F) |
% 62 | 5% | 5 | Sunrise:06:12 AM Sunset: 07:52 PM |
Moonrise:07:45 PM Moonset: 05:44 AM Moon Phase ( Full Moon ) |
|
| 28 August 2026 Friday | Overcast |
15.2 ° C (59.3°F) |
17.6 ° C (63.7°F) |
16.4 ° C (61.6°F) |
% 65 | 10% | 4 | Sunrise:06:14 AM Sunset: 07:50 PM |
Moonrise:07:59 PM Moonset: 06:52 AM Moon Phase ( Full Moon ) |
|
| 29 August 2026 Saturday | Overcast |
15.3 ° C (59.6°F) |
20.2 ° C (68.4°F) |
17.1 ° C (62.8°F) |
% 84 | 51% | 5 | Sunrise:06:15 AM Sunset: 07:48 PM |
Moonrise:08:13 PM Moonset: 07:59 AM Moon Phase ( Waning Gibbous ) |
|
| 30 August 2026 Sunday | Patchy rain nearby |
17 ° C (62.6°F) |
19.4 ° C (67°F) |
18.2 ° C (64.7°F) |
% 93 | 75% | 4 | Sunrise:06:17 AM Sunset: 07:46 PM |
Moonrise:08:28 PM Moonset: 09:07 AM Moon Phase ( Waning Gibbous ) |
|
| 31 August 2026 Monday | Overcast |
16.2 ° C (61.2°F) |
20.3 ° C (68.5°F) |
18.2 ° C (64.8°F) |
% 88 | 53% | 5 | Sunrise:06:18 AM Sunset: 07:44 PM |
Moonrise:08:44 PM Moonset: 10:17 AM Moon Phase ( Waning Gibbous ) |
|
| 01 September 2026 Tuesday | Fog |
9.7 ° C (49.5°F) |
20.5 ° C (68.9°F) |
16.2 ° C (61.2°F) |
% 88 | 86% | 6 | Sunrise:06:19 AM Sunset: 07:42 PM |
Moonrise:09:04 PM Moonset: 11:29 AM Moon Phase ( Waning Gibbous ) |
|
| 02 September 2026 Wednesday | Sunny |
10.5 ° C (50.9°F) |
11.9 ° C (53.4°F) |
11.5 ° C (52.8°F) |
% 86 | 17% | 4 | Sunrise:06:21 AM Sunset: 07:40 PM |
Moonrise:09:29 PM Moonset: 12:45 PM Moon Phase ( Last Quarter ) |
|