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

Current Conditions

Maps Alerts Climate Index

Partly Cloudy 69°F 21°C	Observed at: St. John, IN	Elevation: 700 ft | 213 m
	Last Updated: July 27, 8:30 PM Timezone: GMT -5/-4
	Sky Conditions: Partly Cloudy	Temperature: 69°F | 21°C
	Pressure: 28.93 in | 979.6 mb	Dewpoint: 65°F | 18°C
	Humidity: 88%	Wind: S 10 mph | S 16 kph
	Feels Like: 70°F | 21°C	Visibility: 26.3 mi | 42.3 km
	Lat/Long: 41.4505 | -87.4694	Sunrise: 5:40 AM   Sunset: 8:12 PM

7 Day Graphical Forecast

Valid: 1:03 PM 7/28/2026

Tonight Showers 67 °F 68% Chance Precipitation Tuesday Overcast 74 |65 °F 1% Chance Precipitation Wednesday Overcast 82 |60 °F 0% Chance Precipitation Thursday Overcast 84 |66 °F 5% Chance Precipitation Friday Drizzle 73 |65 °F 36% Chance Precipitation Saturday Drizzle 83 |63 °F 38% Chance Precipitation Sunday Mostly Clear 85 |66 °F 18% Chance Precipitation

7 Hour Graphical Forecast

Valid: 1:03 PM 7/28/2026

1 PM Clear 74 °F 0% Chance Precipitation

2 PM Clear 74 °F 0% Chance Precipitation

3 PM Overcast 74 °F 0% Chance Precipitation

4 PM Clear 74 °F 0% Chance Precipitation

5 PM Overcast 73 °F 0% Chance Precipitation

6 PM Partly Cloudy 71 °F 0% Chance Precipitation

7 PM Clear 69 °F 0% 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: 1:03 PM 7/28/2026 Tonight Showers with a low around 67°F [20°C]. S wind to around 24 mph [39 kph], with gusts to near 36 mph [58 kph]. Chance of precipitation 68% with QPF of 0.29 in [7.3 mm]. Tuesday Overcast with a high near 74°F [24°C]. N wind to around 15 mph [25 kph], with gusts to near 29 mph [46 kph]. Dewpoint near 65°F [18°C] with humidity of 95%. Pressure around 28.93 in [979.6 mb]. UV Index: 7.2. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Tuesday Night Overcast with a low around 65°F [18°C]. N wind to around 15 mph [25 kph], with gusts to near 29 mph [46 kph]. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Wednesday Overcast with a high near 82°F [28°C]. NNE wind to around 8 mph [13 kph], with gusts to near 20 mph [31 kph]. Dewpoint near 65°F [18°C] with humidity of 87%. Pressure around 28.93 in [979.6 mb]. UV Index: 7.4. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Wednesday Night Overcast with a low around 60°F [16°C]. NNE wind to around 8 mph [13 kph], with gusts to near 20 mph [31 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Thursday Overcast with a high near 84°F [29°C]. W wind to around 12 mph [20 kph], with gusts to near 19 mph [31 kph]. Dewpoint near 65°F [18°C] with humidity of 92%. Pressure around 28.93 in [979.6 mb]. UV Index: 7.25. Chance of precipitation 5% with QPF of 0.00 in [0.0 mm]. Thursday Night Overcast with a low around 66°F [19°C]. W wind to around 12 mph [20 kph], with gusts to near 19 mph [31 kph]. Chance of precipitation 5% with QPF of 0.00 in [0.0 mm]. Friday Drizzle with a high near 73°F [23°C]. WNW wind to around 9 mph [14 kph], with gusts to near 16 mph [26 kph]. Dewpoint near 65°F [18°C] with humidity of 96%. Pressure around 28.93 in [979.6 mb]. UV Index: 1.2. Chance of precipitation 36% with QPF of 0.05 in [1.2 mm]. Friday Night Drizzle with a low around 65°F [19°C]. WNW wind to around 9 mph [14 kph], with gusts to near 16 mph [26 kph]. Chance of precipitation 36% with QPF of 0.05 in [1.2 mm]. Saturday Drizzle with a high near 83°F [28°C]. NNE wind to around 8 mph [13 kph], with gusts to near 15 mph [24 kph]. Dewpoint near 65°F [18°C] with humidity of 98%. Pressure around 28.93 in [979.6 mb]. UV Index: 6.75. Chance of precipitation 38% with QPF of 0.09 in [2.2 mm]. Saturday Night Drizzle with a low around 63°F [17°C]. NNE wind to around 8 mph [13 kph], with gusts to near 15 mph [24 kph]. Chance of precipitation 38% with QPF of 0.09 in [2.2 mm]. Sunday Mostly Clear with a high near 85°F [29°C]. NNE wind to around 12 mph [19 kph], with gusts to near 17 mph [28 kph]. Dewpoint near 65°F [18°C] with humidity of 95%. Pressure around 28.93 in [979.6 mb]. UV Index: 7.1. Chance of precipitation 18% with QPF of 0.00 in [0.0 mm]. Sunday Night Mostly Clear with a low around 66°F [19°C]. NNE wind to around 12 mph [19 kph], with gusts to near 17 mph [28 kph]. Chance of precipitation 18% with QPF of 0.00 in [0.0 mm].

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

Tonight: 7.3 mm | 0.29 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

Thursday: 0.0 mm | 0.00 in

Thursday Night: 0.0 mm | 0.00 in

Friday: 1.2 mm | 0.05 in

Friday Night: 1.2 mm | 0.05 in

Saturday: 2.2 mm | 0.09 in

Saturday Night: 2.2 mm | 0.09 in

Sunday: 0.0 mm | 0.00 in

Sunday Night: 0.0 mm | 0.00 in

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

Tonight: S @ 39 kph | 24 mph

Tuesday: N @ 25 kph | 15 mph

Tuesday Night: N @ 25 kph | 15 mph

Wednesday: NNE @ 13 kph | 8 mph

Wednesday Night: NNE @ 13 kph | 8 mph

Thursday: W @ 20 kph | 12 mph

Thursday Night: W @ 20 kph | 12 mph

Friday: WNW @ 14 kph | 9 mph

Friday Night: WNW @ 14 kph | 9 mph

Saturday: NNE @ 13 kph | 8 mph

Saturday Night: NNE @ 13 kph | 8 mph

Sunday: NNE @ 19 kph | 12 mph

Sunday Night: NNE @ 19 kph | 12 mph

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

Tonight: 100 %

Tuesday: 95 %

Tuesday Night: 95 %

Wednesday: 87 %

Wednesday Night: 87 %

Thursday: 92 %

Thursday Night: 92 %

Friday: 96 %

Friday Night: 96 %

Saturday: 98 %

Saturday Night: 98 %

Sunday: 95 %

Sunday Night: 95 %

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

Tonight: 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

Thursday: 0.0 cm | 0.00 in

Thursday Night: 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

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