Harmon Lake, IA 14 Day Weather
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Harmon Lake, IA Weather Forecast


Harmon Lake, IA Weather Forecast Dated: 112 AM Mon Sep 28 2026
Expect a cool pattern with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.
Monday, September 28, 2026
Mid-Morning
59°F 15°C
Cloudy
Mid-Afternoon
68°F 20°C
Scattered Showers
Early-Evening
66°F 19°C
Cloudy
Pleasant near 68°F 20°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure falling. Winds out of the S at 9 mph 14 km/h.
Tuesday, September 29, 2026
Mid-Morning
58°F 14°C
Overcast
Mid-Afternoon
67°F 19°C
Scattered Showers
Early-Evening
67°F 20°C
Light Showers
Mildly cool near 67°F 19°C, scattered downpours possible, with increasing humidity and barometric pressure falling. Winds blowing from the SSW at 13 mph 21 km/h. Gusts up to 25 mph 40 km/h.
Wednesday, September 30, 2026
Mid-Morning
62°F 17°C
Light Showers
Mid-Afternoon
62°F 17°C
Scattered Showers
Early-Evening
69°F 21°C
Overcast
Comfortable at 62°F 17°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds decreasing from SSW 18 mph 29 km/h to SW 9 mph 14 km/h. Gusts up to 29 mph 46 km/h.
Thursday, October 1, 2026
Mid-Morning
51°F 11°C
Overcast
Mid-Afternoon
57°F 14°C
Overcast
Early-Evening
56°F 13°C
Overcast
Crisp with a high near 57°F 14°C, overcast throughout the day, with lower humidity and barometric pressure rising. Winds easing from NNW 16 mph 26 km/h to NNW 8 mph 13 km/h.
Friday, October 2, 2026
Mid-Morning
47°F 8°C
Sunny
Mid-Afternoon
58°F 14°C
Sunny
Early-Evening
55°F 13°C
Overcast
Refreshing around 58°F 14°C, sunny in the morning, cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds shifting from the N to the ESE at 5 mph 7 km/h.
Saturday, October 3, 2026
Mid-Morning
49°F 10°C
Overcast
Mid-Afternoon
57°F 14°C
Sunny
Early-Evening
60°F 16°C
Sunny
Cool and brisk at 57°F 14°C, cloudy in the morning, sunny in the afternoon, and overcast this evening, with increasing humidity and barometric pressure falling. Winds turning from the SSE to the SE at 12 mph 18 km/h. Gusts up to 24 mph 39 km/h.
Sunday, October 4, 2026
Mid-Morning
58°F 14°C
Light Fog
Mid-Afternoon
50°F 10°C
Light Showers
Early-Evening
46°F 8°C
Scattered Showers
Chilly near 50°F 10°C, periods of heavy rain and gusty conditions, with lower humidity and barometric pressure rising. Winds picking up from WSW at 4 mph 6 km/h to NNW at 21 mph 34 km/h. Gusts up to 35 mph 56 km/h.
Monday, October 5, 2026
Mid-Morning
47°F 8°C
Sunny
Mid-Afternoon
51°F 10°C
Sunny
Early-Evening
50°F 10°C
Sunny
Crisp with a high near 51°F 10°C, sunny throughout the day, with lower humidity and steady pressure. Winds moving from the W to the SSW at 6 mph 9 km/h.
Tuesday, October 6, 2026
Mid-Morning
47°F 8°C
Sunny
Mid-Afternoon
59°F 15°C
Sunny
Early-Evening
56°F 13°C
Sunny
Refreshing around 59°F 15°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and barometric pressure falling. Winds swinging from the S to the SSW at 18 mph 28 km/h. Gusts up to 36 mph 57 km/h.
Wednesday, October 7, 2026
Mid-Morning
53°F 11°C
Sunny
Mid-Afternoon
61°F 16°C
Overcast
Early-Evening
56°F 14°C
Overcast
Mildly cool near 61°F 16°C, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure. Winds shifting from the WNW to the NNW at 14 mph 21 km/h. Gusts up to 26 mph 41 km/h.
Thursday, October 8, 2026
Mid-Morning
39°F 4°C
Partly Cloudy
Mid-Afternoon
42°F 5°C
Scattered Showers
Early-Evening
38°F 4°C
Scattered Showers
Biting cold near 42°F 5°C, scattered downpours possible, with lower humidity and steady pressure. Winds blowing from the NNW at 17 mph 27 km/h. Gusts up to 23 mph 37 km/h.
Friday, October 9, 2026
Mid-Morning
34°F 1°C
Sunny
Mid-Afternoon
45°F 7°C
Sunny
Early-Evening
47°F 8°C
Sunny
Crisp with a high near 45°F 7°C, sunny through the afternoon, turning overcast this evening, with lower humidity and barometric pressure falling. Winds switching from the NNW to the WSW at 10 mph 17 km/h. Gusts up to 22 mph 36 km/h.
Saturday, October 10, 2026
Mid-Morning
48°F 9°C
Overcast
Mid-Afternoon
49°F 9°C
Sunny
Early-Evening
44°F 7°C
Sunny
Brisk around 49°F 9°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and barometric pressure rising. Winds moving from the NW to the NNW at 18 mph 28 km/h. Gusts up to 29 mph 47 km/h.
Sunday, October 11, 2026
Mid-Morning
33°F 1°C
Overcast
Mid-Afternoon
42°F 6°C
Sunny
Early-Evening
46°F 8°C
Cloudy
Biting cold near 42°F 6°C, partly cloudy in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and barometric pressure falling. Winds swinging from the NNW to the WNW at 7 mph 12 km/h.
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