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Calamus, IA Weather Tomorrow

From tomorrow through the next 5 days, stay updated on Calamus weather with precipitation potential, daytime and nighttime forecasts, temperature highs and lows in Fahrenheit and Celsius, sunrise and sunset times, cloud cover, wind chill, wind speed, and wind direction for the Calamus area and around Clinton county, Iowa.
Updated: Mon Sep 7th 2026 9:30 AM CDT
Calamus, IA Weather – 9-7 – Overcast
84° / 60°
Overcast
Overcast is in the forecast for Calamus, with a high of 84°F and a low of 60°F. There's a very small chance of rainfall, only about 8%. Wind will be moderate, blowing around 11mph on average and gusts of 28mph at 10 PM. The humidity will be on the higher side, averaging about 64%, the maximum being 72% at 10 PM and 38% being its lowest at 2 PM. Barometric pressure is its highest of 30.13inHg at 11 AM, a lowest point of 30.04inHg at 5 PM with an avg 30.07inHg.
Calamus, IA Weather – 9-8 – Overcast
90° / 64°

Weather Tomorrow

Overcast
Cloud-filled skies are in the forecast for Calamus, with a high of 90°F and a low of 64°F. Rainfall predicted to have a 57% chance with an estimated 0.06in. Wind will be moderate, blowing around 16mph on average and gusts of 29.1mph at 3 AM. The humidity will be on the higher side, averaging about 63%, the maximum being 86% at 7 AM and 36% being its lowest at 4 PM. Barometric pressure is its highest of 30.08inHg at 9 AM, a lowest point of 29.89inHg at 6 PM with an avg 30.01inHg.
Calamus, IA Weather – 9-9 – Scattered Showers
80° / 69°
Scattered Showers
Daytime highs will reach 80°F with lows dropping to 69°F in Calamus, where on and off showers are set to occur. The chance of rain is 87% with an estimated 0.49in. Wind will be moderate, blowing around 11mph on average and gusts of 20.6mph at 9 AM. High humidity with average of 84% is anticipated, the maximum being 97% at 7 AM and 62% being its lowest at 5 PM. Barometric pressure is its highest of 30.01inHg at 12 PM, a lowest point of 29.9inHg at 7 PM with an avg 29.95inHg.
Calamus, IA Weather – 9-10 – Sunny
82° / 63°
Sunny
A sunny day is in the forecast for Calamus, with a high of 82°F and a low of 63°F. There's a very small chance of rainfall, only about 6%. Winds will be light at 9mph and gusts of 16.8mph at 8 PM. The humidity will be on the higher side, averaging about 61%, the maximum being 81% at 6 AM and 34% being its lowest at 4 PM. Barometric pressure is its highest of 30inHg at 12 AM, a lowest point of 29.88inHg at 6 PM with an avg 29.94inHg.
Calamus, IA Weather – 9-11 – Overcast
84° / 61°
Overcast
In Calamus, cloud-filled skies are likely with a high near 84°F and a low around 61°F. There's a moderate 42% chance of rainfall with an estimated 0.04in. Wind will be moderate, blowing around 18mph on average and gusts of 37.1mph at 9 PM. Humidity levels should be comfortable, sitting around 60% on average, the maximum being 78% at 11 PM and 48% being its lowest at 3 PM. Barometric pressure is its highest of 29.96inHg at 12 AM, a lowest point of 29.74inHg at 8 PM with an avg 29.86inHg.
Calamus, IA Weather – 9-12 – Sunny
81° / 65°
Sunny
A sunny day is in the forecast for Calamus, with a high of 81°F and a low of 65°F. Rainfall predicted to have a 63% chance with an estimated 0.13in. Winds will be light at 10mph and gusts of 17.7mph at 4 PM. High humidity with average of 82% is anticipated, the maximum being 96% at 3 AM and 58% being its lowest at 4 PM. Barometric pressure is its highest of 29.97inHg at 10 PM, a lowest point of 29.85inHg at 4 AM with an avg 29.91inHg.

Currently

Sunny 68°F
30.14 inHg.
Barometer
73%
Humidity
SE 16.2 mph
Wind
Sunny

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