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Waterloo IA Weather - Clear - 80°F
Clear
80°F
Updated 4:41 pm
Feels Like 77°F
Humidity 48%
Wind SE 16 mph
Barometer  30.05 in
Dew Point 59°F
Waterloo IA Weather - Clear - 27°C
Clear
27°C
Updated 4:41 pm
Feels Like 25°C
Humidity 48%
Wind SE 26 km/h
Barometer  101.7 kPa
Dew Point 15°C
Waterloo, IA Weather and Current Conditionswaterloo ia weather forecast

Waterloo, IA Weather Forecast

Waterloo Iowa WeatherWaterloo, Iowa Weather Weather Forecast
14 day API forecast for Waterloo, Iowa. Note. The 7-day weather forecast for Waterloo, IA is the most reliable and accurate forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days in advance.
Waterloo, IA Weather Forecast Dated: 441 PM Mon Sep 07 2026
Expect a mild stretch with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.

Monday, September 7, 2026

Mid-Morning
Waterloo Weather - 2026-09-07 - Morning - Overcast
68°F 20°C
Overcast
Mid-Afternoon
Waterloo Weather - 2026-09-07 - Afternoon - Overcast
76°F 24°C
Overcast
Early-Evening
Waterloo Weather - 2026-09-07 - Evening - Overcast
73°F 23°C
Overcast
Pleasant near 76°F 24°C, overcast throughout the day, with lower humidity and barometric pressure falling. Winds out of the SE at 13 mph 20 km/h. Gusts up to 29 mph 47 km/h.

Tuesday, September 8, 2026

Mid-Morning
Waterloo Weather - 2026-09-08 - Morning - Light Showers
66°F 19°C
Light Showers
Mid-Afternoon
Waterloo Weather - 2026-09-08 - Afternoon - Cloudy
88°F 31°C
Cloudy
Early-Evening
Waterloo Weather - 2026-09-08 - Evening - Partly Cloudy
81°F 28°C
Partly Cloudy
Quite warm reaching 88°F 31°C, feeling like 93°F 34°C during peak afternoon, scattered morning showers before drying out later, with steady humidity and barometric pressure falling. Winds switching from the SE to the ENE at 8 mph 13 km/h.

Wednesday, September 9, 2026

Mid-Morning
Waterloo Weather - 2026-09-09 - Morning - Scattered Showers
71°F 21°C
Scattered Showers
Mid-Afternoon
Waterloo Weather - 2026-09-09 - Afternoon - Sunny
81°F 27°C
Sunny
Early-Evening
Waterloo Weather - 2026-09-09 - Evening - Sunny
76°F 25°C
Sunny
Quite warm around 81°F 27°C, locally heavy downpours at times, with lower humidity and steady pressure.

Thursday, September 10, 2026

Mid-Morning
Waterloo Weather - 2026-09-10 - Morning - Sunny
66°F 19°C
Sunny
Mid-Afternoon
Waterloo Weather - 2026-09-10 - Afternoon - Sunny
79°F 26°C
Sunny
Early-Evening
Waterloo Weather - 2026-09-10 - Evening - Sunny
74°F 23°C
Sunny
Mild temperatures up to 79°F 26°C, sunny throughout the day, with steady humidity and steady pressure.

Friday, September 11, 2026

Mid-Morning
Waterloo Weather - 2026-09-11 - Morning - Overcast
68°F 20°C
Overcast
Mid-Afternoon
Waterloo Weather - 2026-09-11 - Afternoon - Nearby Thunderstorms
86°F 30°C
Nearby Thunderstorms
Early-Evening
Waterloo Weather - 2026-09-11 - Evening - Cloudy
80°F 27°C
Cloudy
Quite warm reaching 86°F 30°C, feeling like 90°F 32°C during peak afternoon, locally heavy thunderstorms at times, with steady humidity and barometric pressure falling. Winds moving from the S to the SSE at 16 mph 25 km/h. Gusts up to 34 mph 54 km/h.

Saturday, September 12, 2026

Mid-Morning
Waterloo Weather - 2026-09-12 - Morning - Sunny
61°F 16°C
Sunny
Mid-Afternoon
Waterloo Weather - 2026-09-12 - Afternoon - Sunny
71°F 22°C
Sunny
Early-Evening
Waterloo Weather - 2026-09-12 - Evening - Cloudy
69°F 21°C
Cloudy
Pleasant near 71°F 22°C, sunny in the morning, becoming cloudy through the afternoon and evening, with lower humidity and steady pressure. Winds easing from N 13 mph 20 km/h to SSE 4 mph 7 km/h.

Sunday, September 13, 2026

Mid-Morning
Waterloo Weather - 2026-09-13 - Morning - Scattered Showers
61°F 16°C
Scattered Showers
Mid-Afternoon
Waterloo Weather - 2026-09-13 - Afternoon - Scattered Showers
66°F 19°C
Scattered Showers
Early-Evening
Waterloo Weather - 2026-09-13 - Evening - Scattered Showers
57°F 14°C
Scattered Showers
Comfortable at 66°F 19°C, periods of heavy rain and gusty conditions, with increasing humidity and steady pressure. Winds shifting from the ESE to the ENE at 15 mph 24 km/h. Gusts up to 26 mph 42 km/h.

Monday, September 14, 2026

Mid-Morning
Waterloo Weather - 2026-09-14 - Morning - Heavy Rain
60°F 15°C
Heavy Rain
Mid-Afternoon
Waterloo Weather - 2026-09-14 - Afternoon - Light Showers
64°F 18°C
Light Showers
Early-Evening
Waterloo Weather - 2026-09-14 - Evening - Scattered Showers
65°F 19°C
Scattered Showers
Cool with a high near 64°F 18°C, scattered downpours possible, with steady humidity and steady pressure. Winds ESE at 8 mph 13 km/h.

Tuesday, September 15, 2026

Mid-Morning
Waterloo Weather - 2026-09-15 - Morning - Scattered Showers
57°F 14°C
Scattered Showers
Mid-Afternoon
Waterloo Weather - 2026-09-15 - Afternoon - Scattered Showers
63°F 17°C
Scattered Showers
Early-Evening
Waterloo Weather - 2026-09-15 - Evening - Scattered Showers
61°F 16°C
Scattered Showers
Refreshing around 63°F 17°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds out of the NW at 15 mph 24 km/h.

Wednesday, September 16, 2026

Mid-Morning
Waterloo Weather - 2026-09-16 - Morning - Sunny
56°F 13°C
Sunny
Mid-Afternoon
Waterloo Weather - 2026-09-16 - Afternoon - Sunny
62°F 17°C
Sunny
Early-Evening
Waterloo Weather - 2026-09-16 - Evening - Overcast
58°F 14°C
Overcast
Mildly cool near 62°F 17°C, partly cloudy in the morning, cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds moving from the WNW to the SE at 5 mph 9 km/h.

Thursday, September 17, 2026

Mid-Morning
Waterloo Weather - 2026-09-17 - Morning - Sunny
54°F 12°C
Sunny
Mid-Afternoon
Waterloo Weather - 2026-09-17 - Afternoon - Sunny
68°F 20°C
Sunny
Early-Evening
Waterloo Weather - 2026-09-17 - Evening - Sunny
63°F 17°C
Sunny
Pleasant near 68°F 20°C, cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure.

Friday, September 18, 2026

Mid-Morning
Waterloo Weather - 2026-09-18 - Morning - Sunny
63°F 17°C
Sunny
Mid-Afternoon
Waterloo Weather - 2026-09-18 - Afternoon - Sunny
78°F 25°C
Sunny
Early-Evening
Waterloo Weather - 2026-09-18 - Evening - Sunny
72°F 22°C
Sunny
Comfortable with temperatures reaching 78°F 25°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds swinging from the S to the SSE at 10 mph 16 km/h. Gusts up to 22 mph 35 km/h.

Saturday, September 19, 2026

Mid-Morning
Waterloo Weather - 2026-09-19 - Morning - Overcast
68°F 20°C
Overcast
Mid-Afternoon
Waterloo Weather - 2026-09-19 - Afternoon - Overcast
74°F 23°C
Overcast
Early-Evening
Waterloo Weather - 2026-09-19 - Evening - Overcast
69°F 21°C
Overcast
Enjoyable around 74°F 23°C, overcast through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds picking up from SSW at 5 mph 8 km/h to N at 13 mph 21 km/h. Gusts up to 24 mph 38 km/h.

Sunday, September 20, 2026

Mid-Morning
Waterloo Weather - 2026-09-20 - Morning - Sunny
50°F 10°C
Sunny
Mid-Afternoon
Waterloo Weather - 2026-09-20 - Afternoon - Sunny
60°F 16°C
Sunny
Early-Evening
Waterloo Weather - 2026-09-20 - Evening - Sunny
56°F 14°C
Sunny
Mildly cool near 60°F 16°C, sunny throughout the day, with steady humidity and steady pressure. Winds turning from the NE to the E at 8 mph 13 km/h.

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Weather by the Numbers

Mon, 7th
Waterloo IA Weather - Monday, Sep 7, 2026 - Overcast
Hi: 79°F 26°C
Lo: 64°F 18°C
Sunrise 06:40 AM
Sunset 07:33 PM
Wind SSE 13 mph21 km/h
Dew Point 62°F17°C
uv Index 6
Barometric Pressure 30.09 in1019 mb
POP 17% *
Humidity 67%
Tue, 8th
Waterloo IA Weather - Tuesday, Sep 8, 2026 - Partly Cloudy
Hi: 89°F 32°C
Lo: 65°F 19°C
Sunrise 06:42 AM
Sunset 07:31 PM
Wind SSE 14 mph22 km/h
Dew Point 60°F16°C
uv Index 6
Barometric Pressure 29.94 in1014 mb
POP 5% *
Humidity 55%
Wed, 9th
Waterloo IA Weather - Wednesday, Sep 9, 2026 - Patchy Rain Nearby
Hi: 81°F 27°C
Lo: 68°F 20°C
Sunrise 06:43 AM
Sunset 07:29 PM
Wind W 6 mph9 km/h
Dew Point 67°F20°C
uv Index 6
Barometric Pressure 29.97 in1015 mb
POP 23% *
Humidity 83%
Thu, 10th
Waterloo IA Weather - Thursday, Sep 10, 2026 - Sunny
Hi: 80°F 27°C
Lo: 64°F 18°C
Sunrise 06:44 AM
Sunset 07:28 PM
Wind NW 6 mph10 km/h
Dew Point 52°F11°C
uv Index 6
Barometric Pressure 29.94 in1014 mb
POP 1% *
Humidity 46%
Fri, 11th
Waterloo IA Weather - Friday, Sep 11, 2026 - Patchy Rain Nearby
Hi: 86°F 30°C
Lo: 64°F 18°C
Sunrise 06:45 AM
Sunset 07:26 PM
Wind S 16 mph26 km/h
Dew Point 67°F19°C
uv Index 6
Barometric Pressure 29.85 in1011 mb
POP 16% *
Humidity 68%
Sat, 12th
Waterloo IA Weather - Saturday, Sep 12, 2026 - Sunny
Hi: 72°F 22°C
Lo: 60°F 15°C
Sunrise 06:46 AM
Sunset 07:24 PM
Wind ESE 11 mph17 km/h
Dew Point 47°F8°C
uv Index 5
Barometric Pressure 30.03 in1017 mb
POP 2% *
Humidity 50%
Sun, 13th
Waterloo IA Weather - Sunday, Sep 13, 2026 - Overcast
Hi: 71°F 21°C
Lo: 54°F 12°C
Sunrise 06:47 AM
Sunset 07:22 PM
Wind ESE 7 mph11 km/h
Dew Point 57°F14°C
uv Index 5
Barometric Pressure 30.06 in1018 mb
POP 25% *
Humidity 68%
Mon, 14th
Waterloo IA Weather - Monday, Sep 14, 2026 - Overcast
Hi: 66°F 19°C
Lo: 55°F 13°C
Sunrise 06:48 AM
Sunset 07:21 PM
Wind ESE 8 mph12 km/h
Dew Point 62°F16°C
uv Index 4
Barometric Pressure 29.94 in1014 mb
POP 70% *
Humidity 97%
Tue, 15th
Waterloo IA Weather - Tuesday, Sep 15, 2026 - Partly Cloudy
Hi: 66°F 19°C
Lo: 56°F 13°C
Sunrise 06:49 AM
Sunset 07:19 PM
Wind NW 17 mph27 km/h
Dew Point 52°F11°C
uv Index 5
Barometric Pressure 30.06 in1018 mb
POP 19% *
Humidity 76%
Wed, 16th
Waterloo IA Weather - Wednesday, Sep 16, 2026 - Partly Cloudy
Hi: 63°F 17°C
Lo: 52°F 11°C
Sunrise 06:50 AM
Sunset 07:17 PM
Wind NW 13 mph22 km/h
Dew Point 49°F10°C
uv Index 5
Barometric Pressure 30.24 in1024 mb
POP 5% *
Humidity 63%
Thu, 17th
Waterloo IA Weather - Thursday, Sep 17, 2026 - Overcast
Hi: 69°F 20°C
Lo: 48°F 9°C
Sunrise 06:51 AM
Sunset 07:15 PM
Wind NW 4 mph6 km/h
Dew Point 44°F7°C
uv Index 4
Barometric Pressure 30.3 in1026 mb
POP 4% *
Humidity 52%
Fri, 18th
Waterloo IA Weather - Friday, Sep 18, 2026 - Sunny
Hi: 78°F 26°C
Lo: 54°F 12°C
Sunrise 06:52 AM
Sunset 07:13 PM
Wind SSW 13 mph21 km/h
Dew Point 56°F13°C
uv Index 6
Barometric Pressure 30.03 in1017 mb
POP 3% *
Humidity 56%
Sat, 19th
Waterloo IA Weather - Saturday, Sep 19, 2026 - Overcast
Hi: 75°F 24°C
Lo: 63°F 17°C
Sunrise 06:53 AM
Sunset 07:12 PM
Wind WSW 4 mph7 km/h
Dew Point 55°F13°C
uv Index 5
Barometric Pressure 29.97 in1015 mb
POP 13% *
Humidity 55%
Sun, 20th
Waterloo IA Weather - Sunday, Sep 20, 2026 - Sunny
Hi: 61°F 16°C
Lo: 47°F 8°C
Sunrise 06:54 AM
Sunset 07:10 PM
Wind ENE 11 mph18 km/h
Dew Point 40°F4°C
uv Index 4
Barometric Pressure 30.39 in1029 mb
POP 3% *
Humidity 54%
* POP = Probability of Precipitation. Data for 12:00 PM.