Hartland, WI Hourly Weather Forecast
Next 48 Hours
Thu, Sep 3rd 2026
Overcast conditions early, becoming scattered showers later. Warming trend from 70°F to 87°. Light winds, shifting from W to NNE at 5.7 mph, as humidity fluctuates between 52% to 95%, and an avg barometric pressure of 29.88 inHg.
| Thu, Sep 3rd | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
1 AM Scattered Showers UV: 0 |
75°F Feels 80°F |
83% | 2.2 W | 29.89 | 68.8°F | 20% |
2 AM Scattered ShowersUV: 0 |
74°F Feels 79°F |
86% | 2.7 WNW | 29.88 | 69°F | 23% |
3 AM Scattered ShowersUV: 0 |
73°F Feels 80°F |
90% | 0.7 NW | 29.87 | 69.4°F | 26% |
4 AM Scattered ShowersUV: 0 |
72°F Feels 78°F |
88% | 2.2 S | 29.87 | 68.4°F | 27% |
5 AM Scattered ShowersUV: 0 |
73°F Feels 77°F |
83% | 3.8 S | 29.88 | 66.9°F | 21% |
6 AM Overcast UV: 0 |
74°F Feels 80°F |
87% | 4.7 SW | 29.89 | 70.3°F | 28% |
7 AM Overcast UV: 0.1 |
75°F Feels 80°F |
86% | 4.3 SW | 29.9 | 70.4°F | 27% |
8 AM OvercastUV: 0.5 |
77°F Feels 83°F |
81% | 4.3 W | 29.91 | 71.1°F | 24% |
9 AM OvercastUV: 0.6 |
77°F Feels 80°F |
75% | 6.3 WSW | 29.91 | 68.4°F | 20% |
10 AM OvercastUV: 3.4 |
77°F Feels 81°F |
74% | 4.7 WSW | 29.91 | 67.6°F | 20% |
11 AM OvercastUV: 5.3 |
77°F Feels 81°F |
75% | 3.8 SW | 29.91 | 68.2°F | 19% |
12 PM Cloudy UV: 6.6 |
77°F Feels 82°F |
71% | 1.8 SSE | 29.9 | 67.1°F | 15% |
1 PM CloudyUV: 5 |
83°F Feels 85°F |
59% | 6.5 W | 29.9 | 67°F | 11% |
2 PM Scattered Thunderstorms UV: 3.9 |
83°F Feels 86°F |
59% | 4.7 SSW | 29.89 | 67.5°F | 6% |
3 PM Scattered ThunderstormsUV: 1.9 |
87°F Feels 90°F |
52% | 5.1 WSW | 29.88 | 67°F | 12% |
4 PM Scattered ThunderstormsUV: 1.6 |
83°F Feels 88°F |
68% | 5.4 NE | 29.87 | 71.6°F | 9% |
5 PM Sunny UV: 1.3 |
83°F Feels 86°F |
64% | 5.8 E | 29.85 | 69.2°F | 5% |
6 PM Scattered ThunderstormsUV: 0.4 |
82°F Feels 87°F |
71% | 8.1 SE | 29.85 | 72°F | 9% |
7 PM Patchy Light Rain In Area With Thunder UV: 0 |
79°F Feels 83°F |
86% | 10.5 SSE | 29.84 | 74.4°F | 36% Rain est. 0.01in |
8 PM Clear UV: 0 |
76°F Feels 80°F |
91% | 9.8 SE | 29.85 | 73.1°F | 14% |
9 PM ClearUV: 0 |
76°F Feels 80°F |
88% | 10.1 SSE | 29.82 | 72.4°F | 13% |
10 PM Scattered Thunderstorms UV: 0 |
76°F Feels 81°F |
90% | 8.5 S | 29.85 | 73°F | 39% |
11 PM Light Rain Shower UV: 0 |
70°F Feels 69°F |
95% | 14.3 NNE | 29.91 | 68.8°F | 84% Rain est. 0.09in |
Fri, Sep 4th 2026
Scattered thunderstorms giving way to light rain shower by evening. Warming trend from 66°F to 86°. Breezy wind, shifting from NE to ENE at 7.9 mph, with humidity levels between 56% to 99%, and an avg barometric pressure of 29.89 inHg.
| Fri, Sep 4th | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM OvercastUV: 0 |
70°F Feels 71°F |
97% | 12.1 NE | 29.9 | 69.6°F | 34% |
1 AM Light Rain ShowerUV: 0 |
70°F Feels 73°F |
98% | 7.8 NE | 29.89 | 69.6°F | 85% Rain est. 0.09in |
2 AM Scattered ShowersUV: 0 |
70°F Feels 71°F |
98% | 11 E | 29.89 | 69.1°F | 44% |
3 AM Partly Cloudy UV: 0 |
70°F Feels 71°F |
98% | 11.4 SE | 29.84 | 69.6°F | 22% |
4 AM Light Rain ShowerUV: 0 |
67°F Feels 69°F |
98% | 7.8 ENE | 29.9 | 66.5°F | 47% Rain est. 0.01in |
5 AM Light Rain ShowerUV: 0 |
66°F Feels 67°F |
98% | 8.3 NE | 29.96 | 65.6°F | 72% Rain est. 0.03in |
6 AM Light Rain ShowerUV: 0 |
66°F Feels 66°F |
99% | 11 E | 29.93 | 65.9°F | 73% Rain est. 0.03in |
7 AM OvercastUV: 0.1 |
69°F Feels 68°F |
98% | 13.9 SSE | 29.88 | 68.3°F | 34% |
8 AM OvercastUV: 0.6 |
68°F Feels 68°F |
95% | 10.3 SSE | 29.9 | 66.6°F | 33% |
9 AM Scattered Showers UV: 1.6 |
70°F Feels 72°F |
91% | 9.2 SSE | 29.91 | 67.5°F | 27% |
10 AM Partly Cloudy UV: 2.8 |
73°F Feels 74°F |
86% | 10.1 SSE | 29.9 | 68.2°F | 15% |
11 AM Partly CloudyUV: 4.4 |
77°F Feels 80°F |
75% | 7.8 S | 29.9 | 68.7°F | 12% |
12 PM OvercastUV: 5.2 |
81°F Feels 84°F |
66% | 4.9 SW | 29.9 | 68.6°F | 16% |
1 PM Scattered ThunderstormsUV: 6.3 |
84°F Feels 87°F |
59% | 5.1 W | 29.89 | 68.1°F | 15% |
2 PM Scattered ThunderstormsUV: 5.5 |
86°F Feels 89°F |
56% | 4.5 WNW | 29.88 | 67.9°F | 13% |
3 PM Scattered ThunderstormsUV: 3.9 |
86°F Feels 89°F |
56% | 1.3 NW | 29.87 | 68.1°F | 13% |
4 PM Scattered ThunderstormsUV: 2.5 |
84°F Feels 88°F |
62% | 5.4 E | 29.86 | 69.4°F | 15% |
5 PM Scattered ThunderstormsUV: 1.1 |
77°F Feels 80°F |
79% | 7.8 E | 29.88 | 69.9°F | 23% |
6 PM Scattered ThunderstormsUV: 0.3 |
76°F Feels 80°F |
84% | 7.4 E | 29.88 | 70.8°F | 26% |
7 PM Scattered ThunderstormsUV: 0 |
77°F Feels 82°F |
86% | 7.2 E | 29.88 | 72.9°F | 24% |
8 PM Mist UV: 0 |
74°F Feels 79°F |
95% | 6.7 ESE | 29.88 | 72.3°F | 29% |
9 PM MistUV: 0 |
73°F Feels 78°F |
96% | 6.7 ESE | 29.9 | 71.9°F | 37% |
10 PM MistUV: 0 |
73°F Feels 78°F |
97% | 6.3 E | 29.9 | 71.6°F | 23% |
11 PM Fog UV: 0 |
72°F Feels 77°F |
98% | 6.5 ENE | 29.91 | 71.1°F | 42% |
Sat, Sep 5th 2026
Foggy conditions expected later. Temps around 71°. Breezy wind from the E at 7.6 mph, while humidity around 98%, and an avg barometric pressure of 29.91 inHg.
| Sat, Sep 5th | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM FogUV: 0 |
71°F Feels 75°F |
98% | 7.6 E | 29.91 | 70.8°F | 43% |
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|
78°F |
29.88 inHg.
Barometer 74%
Humidity S 3.4mph Wind |
| Patchy rain nearby | ||
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