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Clay County, IA Weather Tomorrow

The extended forecast for Clay County begins with tomorrow's weather and continues through the next 5 days with precipitation chances, day and night conditions, high and low temperatures in Fahrenheit and Celsius, sunrise, sunset, sky conditions, wind chill, and wind speed with direction for the Clay County area.
Updated: Tue Sep 15th 2026 7:45 AM CDT
Clay County, IA Weather – 9-15 – Overcast
70° / 53°
Overcast
Clay County may see overcast, with daytime highs of 70°F and overnight lows near 53°F. Rainfall predicted to have a 68% chance with an estimated 0.1in. Wind will be moderate, blowing around 13mph on average and gusts of 30.5mph at 8 AM. The humidity will be on the higher side, averaging about 65%, the maximum being 76% at 8 AM and 43% being its lowest at 3 PM. Barometric pressure is its highest of 30.24inHg at 11 PM, a lowest point of 30.07inHg at 8 AM with an avg 30.15inHg.
Clay County, IA Weather – 9-16 – Overcast
63° / 55°

Weather Tomorrow

Overcast
Clay County may see cloud-filled skies, with daytime highs of 63°F and overnight lows near 55°F. Rainfall predicted to have a 65% chance with an estimated 0.06in. Wind will be moderate, blowing around 13mph on average and gusts of 20.2mph at 9 AM. The humidity will be on the higher side, averaging about 73%, the maximum being 98% at 11 PM and 51% being its lowest at 11 AM. Barometric pressure is its highest of 30.3inHg at 8 AM, a lowest point of 30.18inHg at 7 PM with an avg 30.24inHg.
Clay County, IA Weather – 9-17 – Overcast
76° / 61°
Overcast
Overcast is in the forecast for Clay County, with a high of 76°F and a low of 61°F. There's a moderate 30% chance of rainfall with an estimated 0in. Wind will be moderate, blowing around 13mph on average and gusts of 24.9mph at 11 PM. High humidity with average of 86% is anticipated, the maximum being 99% at 1 AM and 59% being its lowest at 3 PM. Barometric pressure is its highest of 30.23inHg at 12 PM, a lowest point of 30.13inHg at 11 PM with an avg 30.18inHg.
Clay County, IA Weather – 9-18 – Sunny
90° / 64°
Sunny
Clay County could see a sunny day with daytime highs of 90°F and nighttime lows near 64°F. Rainfall predicted to have a 58% chance with an estimated 0.08in. Winds will be strong at speeds peaking at 21mph and gusts of 39mph at 9 AM. The humidity will be on the higher side, averaging about 76%, the maximum being 98% at 5 AM and 42% being its lowest at 5 PM. Barometric pressure is its highest of 30.13inHg at 12 AM, a lowest point of 29.71inHg at 7 PM with an avg 29.9inHg.
Clay County, IA Weather – 9-19 – Scattered Showers
81° / 58°
Scattered Showers
On and off showers are set to occur in Clay County, with a high of 81°F and a low of 58°F. The chance of rain is 85% with an estimated 0.22in. Wind will be moderate, blowing around 17mph on average and gusts of 38.5mph at 1 AM. High humidity with average of 86% is anticipated, the maximum being 99% at 5 AM and 62% being its lowest at 1 AM. Barometric pressure is its highest of 29.88inHg at 10 PM, a lowest point of 29.73inHg at 1 AM with an avg 29.82inHg.
Clay County, IA Weather – 9-20 – Light Rain Shower
58° / 55°
Light Rain Shower
Daytime highs will reach 58°F with lows dropping to 55°F in Clay County, where periods of rain are likely. The chance of rain is 92% with an estimated 0.3in. Wind will be moderate, blowing around 12mph on average and gusts of 21.9mph at 1 AM. High humidity with average of 97% is anticipated, the maximum being 98% at 11 PM and 96% being its lowest at 3 AM. Barometric pressure is its highest of 29.94inHg at 10 PM, a lowest point of 29.86inHg at 4 AM with an avg 29.9inHg.

Currently

Patchy Rain Nearby 59°F
30.02 inHg.
Barometer
78%
Humidity
NW 18.7 mph
Wind
Patchy Rain Nearby

5 Day Forecast Nearby

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