Iowa, United States Weather

  1. Iowa, United States Weather
  2. Current conditions
  3. Weather forecast
  4. Averages and extremes
  5. Yesterday's Data
  6. Temperature and possibility of rain in Iowa over the next 12 hours
  7. Temperature and possibility of rain in Iowa in the coming days
  8. Rainfall in Iowa in the coming days
  9. Iowa Weather Summary
  10. Weather averages by month
  11. Iowa's weather
  12. Frequently asked questions
  13. Comments
Iowa, Weather
(Photo by An Hoang on Unsplash)

Current conditions

Updated:
21°C
69.8°F
°C °F

Condition: Overcast

Pressure: 979 hPa

Feel like: 23 °C

Temperature: 21°C

Cloud: 100%

Humidity: 92%

Wind: SE - 18 km/h

Visibility: 12.8 km

Weather forecast

Sat
19 Sep
18°C / 26°C
Slight Rain Showers
Sun
20 Sep
15°C / 17°C
Overcast
Mon
21 Sep
12°C / 16°C
Moderate Drizzle
Tue
22 Sep
10°C / 18°C
Drizzle
Wed
23 Sep
9°C / 19°C
Overcast
Hourly forecast today:
23:00 PM
20° / 21°
20° / 21°
Overcast
92% 32 km/h
00:00 AM
20° / 21°
20° / 21°
Overcast
94% 31 km/h
01:00 AM
20° / 21°
20° / 21°
Overcast
95% 28 km/h
02:00 AM
20° / 21°
20° / 21°
Partly Cloudy
94% 28 km/h
03:00 AM
19° / 20°
19° / 20°
Clear Sky
93% 24 km/h
04:00 AM
19° / 20°
19° / 20°
Mainly Clear
93% 21 km/h
05:00 AM
19° / 20°
19° / 20°
Overcast
94% 25 km/h
06:00 AM
20° / 21°
20° / 21°
Overcast
94% 23 km/h
07:00 AM
20° / 21°
20° / 21°
Overcast
94% 20 km/h
08:00 AM
19° / 20°
19° / 20°
Overcast
94% 21 km/h
09:00 AM
20° / 21°
20° / 21°
Overcast
93% 24 km/h

30 Day Averages and Extremes

  • Average high 22.33°C
  • Average low 13.8°C
  • Hottest day 34°C (04 September 2026)
  • Coldest day 5°C (02 October 2026)
  • Average humidity 78.07%
  • Days with precipitation 26 days
  • Highest precipitation 46 mm (15 September 2026)

Yesterday's Data

  • Max: 24°C
  • Min: 19°C
  • Total Precipitation: 11 mm

Temperature and possibility of rain in Iowa over the next 12 hours

Temperature and possibility of rain in Iowa in the coming days

Rainfall in Iowa in the coming days

Iowa Climate Summary

Iowa features a Humid continental, no dry season, hot summer (Köppen classification: Dfa), with an average annual temperature of 10.63ºC (51.13ºF), which is about -2.01% lower than the national average for United States. Annually, the city experiences approximately 54.84 millimeters (2.16 inches) of rainfall, spread across 101.18 rainy days, accounting for 27.72% of the year.

Longitude 41.8780025
Latitude -93.097702
Yearly high temperature 13.8ºC (56.84ºF)
Yearly low temperature 5.47ºC (41.85ºF)
Hottest month August 26.69ºC (80.04ºF)
Coldest month January -10.03ºC (13.95ºF)
Yearly precip 54.84mm (2.16in)
Days with rainfall 101.18 days (27.72%)
Driest month January (83.91%)
Wettest month May (77.7%)

Weather averages by month

Month High / Low (°C) Rain
January -3.43° / -10.03° 5.36 days
February -1.45° / -8.59° 6.18 days
March 7.42° / -0.31° 7.45 days
April 14.33° / 5.33° 10.55 days
May 20.57° / 11.61° 13.82 days
June 25.94° / 17.03° 12.55 days
July 27.62° / 18.49° 10.91 days
August 26.69° / 16.74° 8.36 days
September 23.72° / 13.18° 9.36 days
October 15.84° / 7.04° 6.64 days
November 7.67° / 0.19° 5.45 days
December 0.67° / -5.04° 4.55 days

Iowa's weather

Frequently asked questions

1. What is the hottest month in Iowa?

August has the highest average monthly temperature (daily mean of 26.69ºC) and January are the coolest (daily mean of -10.03ºC).

2. What should I wear in Iowa today?

For today's warm weather in Iowa, with temperatures between 19ºC to 22ºC (66.2ºF to 71.6ºF), you might consider wearing:
- Sunscreen (if spending time outdoors)
- Shorts or lightweight trousers
- Sunglasses
- Sun hat or cap

Temperature

Early
18°C / 20°C
Morning
17°C / 18°C
Afternoon
17°C / 18°C
Evening
20°C / 22°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 445
  • CO 143
  • NH3 0
  • NO2 3
  • O3 71
  • PM10 7
  • PM25 7
  • SO2 1
  • CH4 1,373

Sunrise / Sunset

11:55
00:16