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Waterloo, WI Weather Forecast | 5 Day
Updated: Fri Jul 18th 2025 11:15 AM CDT
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Partly Cloudy
Fri 7-18
Partly Cloudy with a high of 80°F and a low of 53°F. Winds will be light at 9mph and gusts of 16.9mph at 11 PM. The humidity will be on the higher side, averaging about 80%, the maximum being 90% at 11 PM and 55% being its lowest at 4 PM. Barometric pressure is its highest of 30.1inHg at 1 PM, a lowest point of 30.01inHg at 11 PM with an avg 30.05inHg.
- HI: 80°F
- LO: 53°F
- Rainfall: 0%
- Snowfall: 0%
- Wind
8.1 mph - Humidity
80% avg. - UV Index
2.4 - Air QualityGood
- Sunrise
05:34 AM - Sunset
08:32 PM - Moonrise
No moonrise - Moonset
02:29 PM - Moon Phase
Last Quarter

Heavy Rain
Sat 7-19
Heavy Rain with a high of 86°F and a low of 61°F. It will likey rain, having a 88% chance of a downpour with an estimated 2.66in. Wind will be moderate, blowing around 13mph on average and gusts of 17.2mph at 1 PM. High humidity with average of 87% is anticipated, the maximum being 99% at 7 AM and 69% being its lowest at 4 PM. Barometric pressure is its highest of 30.01inHg at 1 AM, a lowest point of 29.84inHg at 4 PM with an avg 29.9inHg.
- HI: 86°F
- LO: 61°F
- Rainfall: 88% | est. 2.66in
- Snowfall: 0%
- Wind
12.8 mph - Humidity
87% avg. - UV Index
1 - Air QualityGood
- Sunrise
05:35 AM - Sunset
08:31 PM - Moonrise
12:26 AM - Moonset
03:49 PM - Moon Phase
Waning Crescent

Overcast
Sun 7-20
Overcast with a high of 81°F and a low of 59°F. Wind will be moderate, blowing around 14mph on average and gusts of 17.4mph at 6 AM. High humidity with average of 85% is anticipated, the maximum being 95% at 4 AM and 64% being its lowest at 4 PM. Barometric pressure is its highest of 30.06inHg at 10 PM, a lowest point of 29.9inHg at 12 AM with an avg 30inHg.
- HI: 81°F
- LO: 59°F
- Rainfall: 0%
- Snowfall: 0%
- Wind
13.2 mph - Humidity
85% avg. - UV Index
2.2 - Air QualityGood
- Sunrise
05:36 AM - Sunset
08:30 PM - Moonrise
01:01 AM - Moonset
05:08 PM - Moon Phase
Waning Crescent

Sunny
Mon 7-21
Sunny with a high of 78°F and a low of 54°F. Wind will be moderate, blowing around 13mph on average and gusts of 20.6mph at 9 PM. The humidity will be on the higher side, averaging about 78%, the maximum being 96% at 1 AM and 63% being its lowest at 2 PM. Barometric pressure is its highest of 30.09inHg at 6 AM, a lowest point of 29.99inHg at 5 PM with an avg 30.05inHg.
- HI: 78°F
- LO: 54°F
- Rainfall: 0%
- Snowfall: 0%
- Wind
12.8 mph - Humidity
78% avg. - UV Index
2.4 - Air QualityGood
- Sunrise
05:37 AM - Sunset
08:29 PM - Moonrise
01:45 AM - Moonset
06:22 PM - Moon Phase
Waning Crescent

Patchy Rain Nearby
Tue 7-22
Scattered showers with a high of 84°F and a low of 67°F. It will likey rain in the surrounding area, having a 89% chance of a downpour with an estimated 0.08in. Wind will be moderate, blowing around 16mph on average and gusts of 24.2mph at 10 AM. High humidity with average of 87% is anticipated, the maximum being 96% at 11 PM and 76% being its lowest at 2 PM. Barometric pressure is its highest of 29.99inHg at 12 AM, a lowest point of 29.85inHg at 7 PM with an avg 29.92inHg.
- HI: 84°F
- LO: 67°F
- Rainfall: 89% | est. 0.08in
- Snowfall: 0%
- Wind
15.2 mph - Humidity
87% avg. - UV Index
0.1 - Air QualityGood
- Sunrise
05:38 AM - Sunset
08:28 PM - Moonrise
02:41 AM - Moonset
07:25 PM - Moon Phase
Waning Crescent

Patchy Rain Nearby
Wed 7-23
Scattered showers with a high of 83°F and a low of 72°F. It will likey rain in the surrounding area, having a 78% chance of a downpour with an estimated 0.03in. Winds will be light at 9mph and gusts of 17mph at 12 AM. High humidity with average of 89% is anticipated, the maximum being 97% at 7 AM and 79% being its lowest at 4 PM. Barometric pressure is its highest of 30inHg at 11 PM, a lowest point of 29.88inHg at 2 AM with an avg 29.93inHg.
- HI: 83°F
- LO: 72°F
- Rainfall: 78% | est. 0.03in
- Snowfall: 0%
- Wind
8.1 mph - Humidity
89% avg. - UV Index
5 - Air QualityTBA
- Sunrise
05:39 AM - Sunset
08:28 PM - Moonrise
03:50 AM - Moonset
08:13 PM - Moon Phase
Waning Crescent
Currently
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68°F |
30.15 inHg.
Barometer 68%
Humidity SE 8.3 mph Wind |
Partly Cloudy |