St. John, Indiana 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 82°F 28°C Heat Index: 87°F	Observed at: St. John, IN	Elevation: 700 ft | 213 m
	Last Updated: July 16, 7:15 PM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 82°F | 28°C
	Pressure: 29.24 in | 990.3 mb	Dewpoint: 73°F | 23°C
	Humidity: 74%	Wind: NE 7 mph | NE 11 kph
	Feels Like: 89°F | 32°C	Visibility: 23 mi | 37.1 km
	Lat/Long: 41.4505 | -87.4694	Sunrise: 5:30 AM   Sunset: 8:21 PM

7 Day Graphical Forecast

Valid: 7:18 PM 7/16/2026

Today Overcast 91 |74 °F 33 |23 °C 9% Chance Precipitation Friday Overcast 89 |74 °F 32 |23 °C 24% Chance Precipitation Saturday Thunderstorm 89 |70 °F 32 |21 °C 73% Chance Precipitation Sunday Overcast 83 |64 °F 28 |18 °C 5% Chance Precipitation Monday Overcast 83 |63 °F 28 |17 °C 37% Chance Precipitation Tuesday Overcast 87 |67 °F 30 |19 °C 37% Chance Precipitation Wednesday Overcast 72 |58 °F 22 |14 °C 8% Chance Precipitation

7 Hour Graphical Forecast

Valid: 7:18 PM 7/16/2026

7 PM Clear 83 °F 7% Chance Precipitation

8 PM Clear 81 °F 5% Chance Precipitation

9 PM Overcast 79 °F 5% Chance Precipitation

10 PM Overcast 78 °F 5% Chance Precipitation

11 PM Partly Cloudy 78 °F 3% Chance Precipitation

12 AM Mostly Clear 76 °F 3% Chance Precipitation

1 AM Overcast 77 °F 3% Chance Precipitation

7 Day Textual Forecast - with QPF, Max Wind, Humidity, Snowfall & UV Index

7 Day & Night Weather Forecast for St. John, IN - (Fahrenheit & Celsius) Valid: 7:18 PM 7/16/2026 Today Overcast with a high near 91°F [33°C]. NNE wind to around 8 mph [13 kph], with gusts to near 11 mph [17 kph]. Dewpoint near 73°F [23°C] with humidity of 95%. Pressure around 29.24 in [990.3 mb]. UV Index: 7.45. Chance of precipitation 9% with QPF of 0.00 in [0.0 mm]. Tonight Overcast with a low around 74°F [23°C]. NNE wind to around 8 mph [13 kph], with gusts to near 11 mph [17 kph]. Chance of precipitation 9% with QPF of 0.00 in [0.0 mm]. Friday Overcast with a high near 89°F [32°C]. SSW wind to around 12 mph [19 kph], with gusts to near 17 mph [27 kph]. Dewpoint near 73°F [23°C] with humidity of 88%. Pressure around 29.24 in [990.3 mb]. UV Index: 7.55. Chance of precipitation 24% with QPF of 0.00 in [0.0 mm]. Friday Night Overcast with a low around 74°F [23°C]. SSW wind to around 12 mph [19 kph], with gusts to near 17 mph [27 kph]. Chance of precipitation 24% with QPF of 0.00 in [0.0 mm]. Saturday Thunderstorm with a high near 89°F [32°C]. W wind to around 17 mph [27 kph], with gusts to near 31 mph [50 kph]. Dewpoint near 73°F [23°C] with humidity of 91%. Pressure around 29.24 in [990.3 mb]. UV Index: 7.5. Chance of precipitation 73% with QPF of 0.16 in [4.1 mm]. Saturday Night Thunderstorm with a low around 70°F [21°C]. W wind to around 17 mph [27 kph], with gusts to near 31 mph [50 kph]. Chance of precipitation 73% with QPF of 0.16 in [4.1 mm]. Sunday Overcast with a high near 83°F [28°C]. ENE wind to around 8 mph [12 kph], with gusts to near 18 mph [29 kph]. Dewpoint near 73°F [23°C] with humidity of 89%. Pressure around 29.24 in [990.3 mb]. UV Index: 7.5. Chance of precipitation 5% with QPF of 0.00 in [0.0 mm]. Sunday Night Overcast with a low around 64°F [18°C]. ENE wind to around 8 mph [12 kph], with gusts to near 18 mph [29 kph]. Chance of precipitation 5% with QPF of 0.00 in [0.0 mm]. Monday Overcast with a high near 83°F [28°C]. S wind to around 12 mph [19 kph], with gusts to near 27 mph [43 kph]. Dewpoint near 73°F [23°C] with humidity of 95%. Pressure around 29.24 in [990.3 mb]. UV Index: 7.2. Chance of precipitation 37% with QPF of 0.00 in [0.0 mm]. Monday Night Overcast with a low around 63°F [17°C]. S wind to around 12 mph [19 kph], with gusts to near 27 mph [43 kph]. Chance of precipitation 37% with QPF of 0.00 in [0.0 mm]. Tuesday Overcast with a high near 87°F [30°C]. WNW wind to around 18 mph [29 kph], with gusts to near 32 mph [52 kph]. Dewpoint near 73°F [23°C] with humidity of 95%. Pressure around 29.24 in [990.3 mb]. UV Index: 6.55. Chance of precipitation 37% with QPF of 0.00 in [0.0 mm]. Tuesday Night Overcast with a low around 67°F [19°C]. WNW wind to around 18 mph [29 kph], with gusts to near 32 mph [52 kph]. Chance of precipitation 37% with QPF of 0.00 in [0.0 mm]. Wednesday Overcast with a high near 72°F [22°C]. NNE wind to around 17 mph [27 kph], with gusts to near 24 mph [39 kph]. Dewpoint near 73°F [23°C] with humidity of 67%. Pressure around 29.24 in [990.3 mb]. UV Index: 7.45. Chance of precipitation 8% with QPF of 0.00 in [0.0 mm]. Wednesday Night Overcast with a low around 58°F [14°C]. NNE wind to around 17 mph [27 kph], with gusts to near 24 mph [39 kph]. Chance of precipitation 8% with QPF of 0.00 in [0.0 mm].

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7 Day and Night - QPF Forecast for St. John, IN

Today: 0.0 mm | 0.00 in

Tonight: 0.0 mm | 0.00 in

Friday: 0.0 mm | 0.00 in

Friday Night: 0.0 mm | 0.00 in

Saturday: 4.1 mm | 0.16 in

Saturday Night: 4.1 mm | 0.16 in

Sunday: 0.0 mm | 0.00 in

Sunday Night: 0.0 mm | 0.00 in

Monday: 0.0 mm | 0.00 in

Monday Night: 0.0 mm | 0.00 in

Tuesday: 0.0 mm | 0.00 in

Tuesday Night: 0.0 mm | 0.00 in

Wednesday: 0.0 mm | 0.00 in

Wednesday Night: 0.0 mm | 0.00 in

7 Day and Night - Maximum Wind Speed Forecast for St. John, IN

Today: NNE @ 13 kph | 8 mph

Tonight: NNE @ 13 kph | 8 mph

Friday: SSW @ 19 kph | 12 mph

Friday Night: SSW @ 19 kph | 12 mph

Saturday: W @ 27 kph | 17 mph

Saturday Night: W @ 27 kph | 17 mph

Sunday: ENE @ 12 kph | 8 mph

Sunday Night: ENE @ 12 kph | 8 mph

Monday: S @ 19 kph | 12 mph

Monday Night: S @ 19 kph | 12 mph

Tuesday: WNW @ 29 kph | 18 mph

Tuesday Night: WNW @ 29 kph | 18 mph

Wednesday: NNE @ 27 kph | 17 mph

Wednesday Night: NNE @ 27 kph | 17 mph

7 Day and Night - Maximum Humidity Forecast for St. John, IN

Today: 95 %

Tonight: 95 %

Friday: 88 %

Friday Night: 88 %

Saturday: 91 %

Saturday Night: 91 %

Sunday: 89 %

Sunday Night: 89 %

Monday: 95 %

Monday Night: 95 %

Tuesday: 95 %

Tuesday Night: 95 %

Wednesday: 67 %

Wednesday Night: 67 %

7 Day and Night - Snowfall Totals Forecast for St. John, IN

Today: 0.0 cm | 0.00 in

Tonight: 0.0 cm | 0.00 in

Friday: 0.0 cm | 0.00 in

Friday Night: 0.0 cm | 0.00 in

Saturday: 0.0 cm | 0.00 in

Saturday Night: 0.0 cm | 0.00 in

Sunday: 0.0 cm | 0.00 in

Sunday Night: 0.0 cm | 0.00 in

Monday: 0.0 cm | 0.00 in

Monday Night: 0.0 cm | 0.00 in

Tuesday: 0.0 cm | 0.00 in

Tuesday Night: 0.0 cm | 0.00 in

Wednesday: 0.0 cm | 0.00 in

Wednesday Night: 0.0 cm | 0.00 in

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