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Waterloo (IA)
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United States weather

Weather in Waterloo, Iowa for October 2025

Your guide to Waterloo weather in October - trends and predictions

    Temperatures

  • Until now, October 2025 in Waterloo has been nearly identical to the historical average, with a temperature of 23 °F (showing only a slight deviation of -0.4 °F).

  • The forecast for the next days in Waterloo predicts a temperature of 17.9 °F, which is cooler than the historical average.

  • In general, the average temperature in Waterloo at the beginning of October is 24.4 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19.1 °F by the end of October.

    • Rain 🌧️

  • With an average of 5 rainy days, Waterloo experiences minimal rainfall in October.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
26
Dry days
Average rainy days
5
Rainy days
Average snowy days
0
Snow days
Average temperatures
20°/8°
Temperatures
Average wind speed
25 km/h
Avg max wind
Average humidity
56 %
Avg humidity

Waterloo Weather October

Move between months or click on a day
September
November
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Overcast
23°
2
Sunny
27°
3
Partly cloudy
27°
4
Sunny
26°
5
Cloudy
29°
6
Sunny
19°
7
Sunny
20°
8
Sunny
22°
9
Sunny
21°
10
Overcast
24°
11
Overcast
24°
12
Patchy rain possible
19°
13
Cloudy
18°
14
Moderate rain
19°
15
Patchy rain possible
15°
16
Partly cloudy
23°
17
Patchy rain possible
24°
18
Patchy rain possible
19°
19
Sunny
15°
20
Sunny
13°
21
Sunny
17°
22
Patchy rain possible
20°
23
Overcast
11°
24
Partly cloudy
17°
25
Sunny
20°
26
Sunny
26°
27
Partly cloudy
12°
28
Overcast
19°
29
Overcast
24°
30
Light rain shower
21°
31
Overcast
12°

Temperatures trend during October in Waterloo

See the weather trend as well as the moving average line

October weather in Waterloo day by day

Click on a date for more information
September November
Date Weather Temperatures Rain UV More
Oct. 1 Overcast
Overcast
 23° /12° 0 mm 6
Oct. 2 Sunny
Sunny
 27° /10° 0 mm 7
Oct. 3 Partly cloudy
Partly cloudy
 27° /12° 0.9 mm 7
Oct. 4 Sunny
Sunny
 26° /13° 0 mm 6
Oct. 5 Cloudy
Cloudy
 29° /14° 0 mm 7
Oct. 6 Sunny
Sunny
 19° /11° 6.1 mm 5
Oct. 7 Sunny
Sunny
 20° /6° 0 mm 6
Oct. 8 Sunny
Sunny
 22° /5° 0 mm 5
Oct. 9 Sunny
Sunny
 21° /5° 0 mm 6
Oct. 10 Overcast
Overcast
 24° /10° 0 mm 6
Oct. 11 Overcast
Overcast
 24° /8° 0 mm 6
Oct. 12 Patchy rain possible
Patchy rain possible
 19° /10° 0.2 mm 4
Oct. 13 Cloudy
Cloudy
 18° /11° 19.5 mm 5
Oct. 14 Moderate rain
Moderate rain
 19° /8° 6.7 mm 0.2
Oct. 15 Patchy rain possible
Patchy rain possible
 15° /12° 3.3 mm 0.7
Oct. 16 Partly cloudy
Partly cloudy
 23° /12° 0 mm 0.7
Oct. 17 Patchy rain possible
Patchy rain possible
 24° /16° 3.3 mm 0.8
Oct. 18 Patchy rain possible
Patchy rain possible
 19° /9° 2.1 mm 0
Oct. 19 Sunny
Sunny
 15° /7° 0 mm 3
Oct. 20 Sunny
Sunny
 13° /5° 0 mm 3
Oct. 21 Sunny
Sunny
 17° /4° 0 mm 3
Oct. 22 Patchy rain possible
Patchy rain possible
 20° /10° 1 mm 3
Oct. 23 Overcast
Overcast
 11° /8° 0 mm 2
Oct. 24 Partly cloudy
Partly cloudy
 17° /7° 0 mm 4
Oct. 25 Sunny
Sunny
 20° /5° 0 mm 4
Oct. 26 Sunny
Sunny
 26° /11° 0 mm 5
Oct. 27 Partly cloudy
Partly cloudy
 12° /6° 0 mm 4
Oct. 28 Overcast
Overcast
 19° /8° 0 mm 4
Oct. 29 Overcast
Overcast
 24° /17° 0 mm 5
Oct. 30 Light rain shower
Light rain shower
 21° /15° 33.2 mm 5
Oct. 31 Overcast
Overcast
 12° /5° 64.8 mm 3
Next
Important Notice
Our weather forecast for Waterloo in October is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Waterloo forecast closer to your planned date for the most up-to-date weather information.
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Waterloo in October - FAQ

What are the expected maximum and minimum temperatures in Waterloo during October?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Waterloo during October?
Significant rainfall exceeding 148 mm is expected in Waterloo during October, occurring over more than 5 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Waterloo during October?
The average wind speed in Waterloo during October is 25 km/h, suggesting breezy to windy conditions, depending on your activities.

October rainfall patterns in Waterloo

Explore the daily rainfall trends and prepare for Waterloos October weather 💧

UV exposure in Waterloo during October

Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️

Quick links

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Location coordinates Where is Waterloo?

Get accurate weather forecasts for Waterloo, located at latitude 42.493 and longitude -92.343. Stay updated with localized weather information tailored for Waterloo.

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