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Griswold, IA 14 Day Weather - 51532 WeatherWorld.com
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Griswold, IA Weather Forecast
Griswold, IA Weather Forecast Dated: 432 AM Fri Sep 18 2026
Expect a cool pattern with more clouds than sun and frequent chances of rain over the coming period. generally humid conditions and no major pressure swings will dominate. Isolated storms at times.
Friday, September 18, 2026
Mid-Morning
69°F 20°C
Scattered Showers
Mid-Afternoon
88°F 31°C
Sunny
Early-Evening
88°F 31°C
Nearby Thunderstorms
Warm and summery around 88°F 31°C (feels like 93°F 34°C), periods of heavy rain and gusty conditions, with lower humidity and barometric pressure falling. Winds turning from the SE to the SSW at 14 mph 22 km/h. Gusts up to 31 mph 49 km/h.
Saturday, September 19, 2026
Mid-Morning
69°F 20°C
Light Showers
Mid-Afternoon
81°F 27°C
Sunny
Early-Evening
70°F 21°C
Nearby Thunderstorms
Quite warm reaching 81°F 27°C, feeling like 84°F 29°C during peak afternoon, scattered downpours possible, with steady humidity and steady pressure. Winds building from S at 4 mph 7 km/h to NNE at 14 mph 22 km/h. Gusts up to 21 mph 33 km/h.
Sunday, September 20, 2026
Mid-Morning
58°F 14°C
Light Fog
Mid-Afternoon
60°F 16°C
Scattered Showers
Early-Evening
58°F 15°C
Overcast
Comfortable at 60°F 16°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds moving from the N to the NNE at 9 mph 14 km/h.
Monday, September 21, 2026
Mid-Morning
53°F 12°C
Scattered Showers
Mid-Afternoon
54°F 12°C
Scattered Showers
Early-Evening
53°F 12°C
Scattered Showers
Crisp with a high near 54°F 12°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds out of the NNE at 9 mph 14 km/h.
Tuesday, September 22, 2026
Mid-Morning
52°F 11°C
Scattered Showers
Mid-Afternoon
56°F 13°C
Overcast
Early-Evening
55°F 13°C
Scattered Showers
Brisk around 56°F 13°C, scattered downpours possible, with steady humidity and steady pressure. Winds shifting from the NNE to the E at 7 mph 11 km/h.
Wednesday, September 23, 2026
Mid-Morning
53°F 12°C
Light Fog
Mid-Afternoon
62°F 17°C
Overcast
Early-Evening
62°F 17°C
Overcast
Mildly cool near 62°F 17°C, overcast throughout the day, with steady humidity and steady pressure.
Thursday, September 24, 2026
Mid-Morning
57°F 14°C
Light Showers
Mid-Afternoon
63°F 17°C
Scattered Showers
Early-Evening
64°F 18°C
Scattered Showers
Comfortable at 63°F 17°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure.
Friday, September 25, 2026
Mid-Morning
63°F 17°C
Overcast
Mid-Afternoon
68°F 20°C
Scattered Showers
Early-Evening
69°F 21°C
Scattered Showers
Enjoyable around 68°F 20°C, scattered downpours possible, with steady humidity and barometric pressure falling.
Saturday, September 26, 2026
Mid-Morning
59°F 15°C
Light Showers
Mid-Afternoon
64°F 18°C
Overcast
Early-Evening
61°F 17°C
Overcast
Refreshing around 64°F 18°C, morning showers, giving way to clearing skies, with lower humidity and barometric pressure falling. Winds turning from the SSE to the SE at 14 mph 22 km/h. Gusts up to 27 mph 44 km/h.
Sunday, September 27, 2026
Mid-Morning
60°F 16°C
Light Showers
Mid-Afternoon
70°F 21°C
Overcast
Early-Evening
73°F 23°C
Overcast
Mild with a high of 70°F 21°C, early showers breaking for a drier afternoon, with lower humidity and barometric pressure falling. Winds out of the S at 17 mph 27 km/h. Gusts up to 38 mph 60 km/h.
Monday, September 28, 2026
Mid-Morning
68°F 20°C
Scattered Showers
Mid-Afternoon
77°F 25°C
Overcast
Early-Evening
74°F 24°C
Overcast
Pleasant near 77°F 25°C, scattered downpours possible, with steady humidity and steady pressure. Winds moving from the S to the SSE at 11 mph 17 km/h. Gusts up to 25 mph 40 km/h.
Tuesday, September 29, 2026
Mid-Morning
68°F 20°C
Light Showers
Mid-Afternoon
78°F 25°C
Sunny
Early-Evening
72°F 22°C
Overcast
Comfortable with temperatures reaching 78°F 25°C, morning showers, giving way to clearing skies, with steady humidity and steady pressure. Winds swinging from the S to the ESE at 9 mph 15 km/h.
Wednesday, September 30, 2026
Mid-Morning
54°F 12°C
Scattered Showers
Mid-Afternoon
62°F 17°C
Overcast
Early-Evening
60°F 16°C
Overcast
Refreshing around 62°F 17°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds out of the N at 12 mph 19 km/h. Gusts up to 24 mph 38 km/h.
Thursday, October 1, 2026
Mid-Morning
46°F 8°C
Sunny
Mid-Afternoon
55°F 13°C
Sunny
Early-Evening
54°F 12°C
Partly Cloudy
Cool and brisk at 55°F 13°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds turning from the NNW to the ESE at 6 mph 9 km/h.
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