Saint John, IN Hourly Weather Forecast
Next 48 Hours
Thu, Sep 17th 2026
Light rain shower skies will dominate from morning to night. Temps range from 68° to 77°. Light winds, shifting from N to NE at 4.7 mph, with humidity ranging 78% to 98%, and an avg barometric pressure of 30.2 inHg.
| Thu, Sep 17th | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
3 AM Fog UV: 0 |
70°F Feels 75°F |
98% | 3.4 N | 30.19 | 69°F | 46% |
4 AM Light Rain Shower UV: 0 |
70°F Feels 75°F |
98% | 4 NNW | 30.18 | 69.4°F | 60% Rain est. 0.01in |
5 AM Light Rain ShowerUV: 0 |
69°F Feels 74°F |
98% | 4.3 NW | 30.2 | 68.8°F | 67% Rain est. 0.02in |
6 AM Light Rain ShowerUV: 0 |
69°F Feels 74°F |
98% | 4 N | 30.2 | 68.7°F | 67% Rain est. 0.02in |
7 AM Light Rain Shower UV: 0 |
68°F Feels 72°F |
98% | 4.7 WNW | 30.23 | 67.7°F | 80% Rain est. 0.06in |
8 AM Light Rain ShowerUV: 0.1 |
68°F Feels 72°F |
96% | 4.7 WSW | 30.25 | 67.1°F | 77% Rain est. 0.04in |
9 AM Light Rain ShowerUV: 1 |
68°F Feels 72°F |
97% | 3.8 WSW | 30.24 | 67.3°F | 79% Rain est. 0.05in |
10 AM Fog UV: 2.1 |
68°F Feels 73°F |
98% | 1.8 NW | 30.24 | 67.3°F | 54% |
11 AM Mist UV: 1.9 |
68°F Feels 74°F |
96% | 0.9 N | 30.23 | 67.3°F | 43% |
12 PM Light Rain ShowerUV: 3.3 |
70°F Feels 75°F |
93% | 2.7 NW | 30.23 | 68°F | 66% Rain est. 0.03in |
1 PM Overcast UV: 5.2 |
73°F Feels 78°F |
87% | 4.3 WNW | 30.21 | 69.2°F | 26% |
2 PM Scattered Showers UV: 5.7 |
77°F Feels 82°F |
78% | 3.8 WNW | 30.19 | 69.5°F | 23% |
3 PM Scattered ShowersUV: 4.1 |
74°F Feels 78°F |
86% | 7.2 WSW | 30.19 | 69.6°F | 31% |
4 PM Scattered ShowersUV: 2.4 |
73°F Feels 77°F |
87% | 6 WSW | 30.17 | 69.4°F | 28% |
5 PM OvercastUV: 0.9 |
75°F Feels 80°F |
82% | 3.6 WNW | 30.16 | 69.4°F | 24% |
6 PM Scattered ShowersUV: 0.3 |
74°F Feels 78°F |
87% | 5.6 N | 30.17 | 69.6°F | 24% |
7 PM Partly Cloudy UV: 0 |
72°F Feels 77°F |
94% | 5.6 NE | 30.18 | 70.3°F | 21% |
8 PM Light Rain ShowerUV: 0 |
71°F Feels 76°F |
95% | 6.3 NNE | 30.19 | 70°F | 71% Rain est. 0.03in |
9 PM Light Rain ShowerUV: 0 |
70°F Feels 74°F |
96% | 6.9 NE | 30.21 | 69°F | 51% Rain est. 0.01in |
10 PM Light Rain ShowerUV: 0 |
69°F Feels 71°F |
96% | 6.9 NNE | 30.21 | 67.6°F | 51% Rain est. 0.01in |
11 PM Mist UV: 0 |
68°F Feels 69°F |
96% | 7.6 NE | 30.21 | 66.5°F | 39% |
Fri, Sep 18th 2026
Skies will shift from Overcast conditions to Misty conditions as the day goes on. Temps range from 66° to 77°. Breezy wind, shifting from NE to SE at 9.5 mph, while humidity ranges from 66% to 97%, and an avg barometric pressure of 30.16 inHg.
| Fri, Sep 18th | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM MistUV: 0 |
67°F Feels 69°F |
96% | 6.7 NE | 30.21 | 65.9°F | 39% |
1 AM MistUV: 0 |
67°F Feels 68°F |
96% | 6.7 NE | 30.21 | 65.6°F | 52% Rain est. 0.01in |
2 AM MistUV: 0 |
66°F Feels 68°F |
97% | 6.7 NE | 30.21 | 65.2°F | 33% |
3 AM MistUV: 0 |
66°F Feels 67°F |
97% | 7.6 NE | 30.21 | 64.7°F | 39% |
4 AM MistUV: 0 |
66°F Feels 67°F |
95% | 7.2 NE | 30.2 | 64.6°F | 38% |
5 AM Overcast UV: 0 |
66°F Feels 68°F |
94% | 6 NE | 30.21 | 64.3°F | 32% |
6 AM OvercastUV: 0 |
66°F Feels 67°F |
93% | 6.5 NE | 30.21 | 63.5°F | 31% |
7 AM OvercastUV: 0 |
66°F Feels 67°F |
93% | 6.5 NE | 30.22 | 63.9°F | 31% |
8 AM OvercastUV: 0.4 |
66°F Feels 67°F |
91% | 6.5 ENE | 30.22 | 63.1°F | 30% |
9 AM Partly Cloudy UV: 0.9 |
69°F Feels 69°F |
88% | 9.6 E | 30.21 | 65°F | 19% |
10 AM Cloudy UV: 2.2 |
72°F Feels 72°F |
83% | 10.5 E | 30.21 | 66.5°F | 23% |
11 AM Scattered ShowersUV: 2.7 |
72°F Feels 71°F |
77% | 11.2 E | 30.21 | 64.7°F | 21% |
12 PM Scattered ShowersUV: 2 |
74°F Feels 73°F |
72% | 11 ESE | 30.2 | 64.5°F | 19% |
1 PM CloudyUV: 2.5 |
76°F Feels 75°F |
69% | 10.5 ESE | 30.17 | 64.7°F | 15% |
2 PM CloudyUV: 2.9 |
77°F Feels 77°F |
66% | 10.1 E | 30.15 | 64.9°F | 14% |
3 PM OvercastUV: 2.9 |
77°F Feels 76°F |
66% | 11.2 E | 30.12 | 64.8°F | 16% |
4 PM CloudyUV: 1.8 |
75°F Feels 75°F |
71% | 11 E | 30.11 | 65.4°F | 16% |
5 PM Partly CloudyUV: 0.9 |
75°F Feels 74°F |
74% | 11.6 ESE | 30.1 | 65.9°F | 13% |
6 PM Partly CloudyUV: 0.2 |
73°F Feels 72°F |
77% | 11.9 ESE | 30.1 | 65.4°F | 11% |
7 PM Clear UV: 0 |
72°F Feels 71°F |
80% | 11.2 ESE | 30.1 | 65.6°F | 10% |
8 PM ClearUV: 0 |
71°F Feels 70°F |
83% | 11.2 ESE | 30.08 | 65.4°F | 10% |
9 PM Scattered Showers UV: 0 |
70°F Feels 69°F |
84% | 11.6 SE | 30.1 | 65°F | 26% |
10 PM ClearUV: 0 |
70°F Feels 68°F |
87% | 12.3 ESE | 30.07 | 65.6°F | 12% |
11 PM Partly CloudyUV: 0 |
69°F Feels 67°F |
87% | 13.4 SE | 30.04 | 64.8°F | 16% |
Sat, Sep 19th 2026
Clear conditions expected later. Temps range from 67° to 68°. Breezy wind from the SE at 12 mph, with humidity ranging 87% to 91%, and an avg barometric pressure of 30.02 inHg.
| Sat, Sep 19th | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM ClearUV: 0 |
68°F Feels 66°F |
87% | 13.6 SE | 30.03 | 64.2°F | 13% |
1 AM ClearUV: 0 |
67°F Feels 66°F |
89% | 11.2 SSE | 30.03 | 64.1°F | 14% |
2 AM Scattered ShowersUV: 0 |
67°F Feels 66°F |
91% | 11.2 SE | 30.01 | 64.4°F | 29% |
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|
69°F |
30.21 inHg.
Barometer 98%
Humidity ENE 3.4mph Wind |
| Light rain shower | ||
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