Johnson County (Iowa City)
Tomorrow
Tomorrow weather in Johnson County
Thursday, September 17th, 2026
25°
Mist
Feels like 28° · Low 19°
The weather tomorrow in Johnson County will be much hotter than today, with temperatures rising to 25°.
It will still rain tomorrow, similar to today.
The humidity in Johnson County will continue to be high and expected to go over 93%.
25° / 19°
Temp
88%
Rain
11 km/h
Wind
93%
Humidity
Johnson County Weather Pages
Johnson County hourly forecast for tomorrow
Scroll right to see more weather forecasts for Johnson County tomorrow
| 12:00 AM | 01:00 AM | 02:00 AM | 03:00 AM | 04:00 AM | 05:00 AM | 06:00 AM | 06:48 AM | 07:00 AM | 08:00 AM | 09:00 AM | 10:00 AM | 11:00 AM | 12:00 PM | 01:00 PM | 02:00 PM | 03:00 PM | 04:00 PM | 05:00 PM | 06:00 PM | 07:00 PM | 07:12 PM | 08:00 PM | 09:00 PM | 10:00 PM | 11:00 PM | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  | | |  | | | |  | | | |  |  | | | | | | |  | |  | | | | | Next |
| temperatures | 19.7° | 19.7° | 19.7° | 19.5° | 19.5° | 19.3° | 19.4° | Sunrise | 19.5° | 19.3° | 20.4° | 21.5° | 22.6° | 23.4° | 23.2° | 24° | 25° | 25° | 23.7° | 23.2° | 22.6° | Sunset | 22.4° | 22.1° | 22° | 21.6° | |
| Feels like | 22° | 22° | 21.3° | 21° | 21.1° | 20.7° | 21.2° | 21.6° | 22.1° | 22.6° | 24.1° | 25.6° | 26.7° | 26.6° | 27.1° | 28.4° | 27.4° | 26.2° | 25.5° | 25.4° | 25.1° | 24.7° | 24.3° | 24° | |||
| wind speed | 7 km/h | 6 km/h | 9 km/h | 10 km/h | 9 km/h | 9 km/h | 8 km/h | 7 km/h | 2 km/h | 7 km/h | 6 km/h | 5 km/h | 4 km/h | 4 km/h | 5 km/h | 4 km/h | 9 km/h | 10 km/h | 12 km/h | 10 km/h | 10 km/h | 10 km/h | 11 km/h | 10 km/h | |||
| wind degree | 111° | 134° | 118° | 117° | 115° | 133° | 136° | 150° | 206° | 309° | 357° | 359° | 31° | 334° | 46° | 34° | 328° | 29° | 19° | 43° | 49° | 48° | 86° | 71° | |||
| wind direction | ESE | SE | ESE | ESE | ESE | SE | SE | SSE | SSW | NW | N | N | NNE | NNW | NE | NE | NNW | NNE | NNE | NE | NE | NE | E | ENE | |||
| Precipitation | 1.7 mm | 1.1 mm | 0.8 mm | 0 mm | 0 mm | 0.3 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0.2 mm | 0.2 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | |||
| chance for rain | 79% | 70% | 74% | 43% | 43% | 54% | 43% | 43% | 39% | 39% | 30% | 44% | 40% | 28% | 25% | 23% | 23% | 27% | 24% | 38% | 38% | 33% | 38% | 40% | |||
| chance for snow | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | |||
| humidity | 98% | 98% | 98% | 98% | 98% | 98% | 99% | 98% | 97% | 94% | 91% | 88% | 85% | 86% | 83% | 79% | 77% | 86% | 91% | 96% | 96% | 96% | 96% | 97% | |||
| dew point | 19.5° | 19.5° | 19.4° | 19.3° | 19.2° | 19° | 19.2° | 19.3° | 18.8° | 19.5° | 20° | 20.5° | 20.7° | 20.8° | 21° | 21.1° | 20.8° | 21.3° | 21.6° | 21.9° | 21.8° | 21.4° | 21.3° | 21.1° | |||
| visibility | 9 km | 10 km | 10 km | 0 km | 0 km | 10 km | 0 km | 0 km | 2 km | 2 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 2 km | 2 km | 2 km | 2 km | 2 km | |||
| cloud cover | 85% | 63% | 98% | 100% | 100% | 98% | 100% | 100% | 100% | 100% | 97% | 100% | 100% | 100% | 93% | 95% | 100% | 97% | 76% | 99% | 98% | 78% | 100% | 99% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.3 | 1.1 | 2.2 | 3 | 3.1 | 1.6 | 2.3 | 3.7 | 1.7 | 0.6 | 0.2 | 0 | 0 | 0 | 0 | 0 |
Weather in Johnson County tomorrow
The weather in Johnson County tomorrow is expected to be much cooler than usual, with a forecast temperature of 25 °F, compared to an average of 31 °F for September 17th in recent years.
temperatures
25 °F
rain
4.4 mm
wind
11 km/h
UV
Moderate
Johnson County daylight overview ☀️
Tomorrow in Johnson County, The sun rises at 06:48 and sets at 19:12, giving a total daylight duration of 12 hours and 24 minutes.
Top locations in Johnson County
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More Johnson County weather pages
What to wear tomorrow in Johnson County? clothing recommendations
Stay comfortably stylish - your tailored guide for tomorrow's Johnson County forecast.
Long-sleeve shirt
Long pant
Closed-toe shoes
Light jacket
Umbrella
The weather tomorrow in Johnson County - FAQ
What is the maximum temperature for tomorrow in Johnson County?
The maximum temperature for tomorrow in Johnson County is expected to be 25° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain tomorrow in Johnson County? 🌧️
Yes, there is a 88% chance of rain in Johnson County tomorrow. We recommend carrying an umbrella or rain gear to stay dry.
What will be the wind speed tomorrow in Johnson County? 🌀
The wind in Johnson County is expected to blow at 11 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in Johnson County tomorrow?
Given the forecast of 25 °F with a 88% chance of rain, we advise checking our "What to wear tomorrow" section for recommendations. There, you will find tailored advice to help you stay comfortable and prepared for the weather conditions in Johnson County tomorrow.
What is the sunrise and sunset time for Johnson County tomorrow?
The sun is expected to rise at 06:48 and set at 19:12 in Johnson County.
How accurate is the weather forecast Johnson County tomorrow? ✅
Johnson County weather forecast for tomorrow is based on the most current and sophisticated meteorological models available. While we strive for accuracy, weather conditions can change unexpectedly, so we recommend checking for updates regularly.
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Where is Johnson County?Get accurate weather forecasts for Johnson County, located at latitude 41.661 and longitude -91.53. Stay updated with localized weather information tailored for Johnson County.
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