What is today's weather forecast for Saint John, IN?

Today's forecast for Saint John shows a low of 34 degrees Fahrenheit. Mostly cloudy, with a steady temperature around 34.

What is the 7-day weather forecast for Saint John, IN?

The 7-day forecast for Saint John shows highs from 27 to 49 degrees and lows from 18 to 34 degrees Fahrenheit. Expect precipitation on 2 days with chances of 20% or higher.

Will it rain in Saint John, IN this week?

Yes, rain is possible in Saint John this week. Precipitation chances: Wednesday (50% chance), Thursday (100% chance).

How accurate is the Saint John weather forecast?

WeatherForYou provides highly accurate Saint John forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

Saint John, IN Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

36°F
Feels Like 28°F

Humidity N/A Dew Point N/A Wind S 11 MPH Gusts 15 Barometer N/A

Report from a personal weather station 1.8 mi. SSW of central Saint John
at 11:45 PM Tue, Dec 16, 2025

Point Forecast at a Glance

TueDec 16

WedDec 17

ThuDec 18

100%

FriDec 19

SatDec 20

SunDec 21

MonDec 22

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

High temperatures start near 42°F, reaching 49°F before cooling to 27°F, then recovering to 37°F by week's end. Some rain possible with at least 2 days showing precipitation chances of 20% or higher.

Climate Context

Temperatures are expected to be near normal for this time of year, with highs around 37°F and lows around 23°F.

This Date in Weather History

1917 - An ice jam closed the Ohio River between Warsaw, KY, and Rising Sun, IN. The thirty foot high ice jam held for 58 days, and backed up the river a distance of 100 miles.

Saint John, IN 7 Day Weather Forecast Details

Tuesday Dec 16

Night: Mostly cloudy, with a steady temperature around 34. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

Wednesday Dec 17

Day: Mostly sunny, with a high near 42. West wind 5 to 10 mph becoming south southeast in the afternoon.

Night: A 50 percent chance of showers or drizzle after midnight. Mostly cloudy, with a temperature rising to around 41 by 5am. South wind 10 to 15 mph, with gusts as high as 30 mph.

Thursday Dec 18

Day: Rain, mainly before 3pm. High near 49. Breezy, with a south wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%.

Night: A chance of snow showers between 9pm and midnight, then a chance of flurries with a slight chance of snow showers after midnight. Mostly cloudy, with a low around 18. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

Friday Dec 19

Day: Partly sunny, with a high near 27.

Night: Mostly cloudy, with a low around 23.

Saturday Dec 20

Day: Mostly cloudy, with a high near 43.

Night: Partly cloudy, with a low around 22.

Sunday Dec 21

Day: Mostly sunny, with a high near 32.

Night: Mostly cloudy, with a low around 23.

Monday Dec 22

Day: Partly sunny, with a high near 37.

Night: Mostly cloudy, with a low around 30.

Tuesday Dec 23

Day: Partly sunny, with a high near 44.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.

Your favorites: