Saint John, IN Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Saint John, IN in one place.
Sunny, with a high near 91. Southwest wind 7 to 12 mph.
Local Weather Overview
This forecast page for Saint John, IN is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Oct 12, 2026 12:50 AM CDT.
The active forecast window currently covers Oct 13 to Oct 18, 2026 for Saint John, IN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 18, 2026
- Latest sync
- Oct 12, 2026 12:50 AM CDT
- Forecast office
- PAH
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint John
Tuesday looks like the warmest upcoming period in Saint John at 91 degrees F.
Saturday Night is the coolest period ahead with temperatures near 37 degrees F.
The strongest winds are forecast for Friday at about 15 to 20 mph NW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 12, 2026 12:50 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- PAH
- Radar station
- KVWX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of rain showers between 1am and 4am, then a slight chance of showers and thunderstorms. Mostly clear, with a low around 68. South southwest wind 5 to 9 mph. Chance of precipitation is 20%.
A chance of showers and thunderstorms before 10am, then showers and thunderstorms likely. Partly sunny, with a high near 86. Southwest wind around 7 mph. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 66. North northwest wind 2 to 6 mph.
Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 81. East wind 3 to 9 mph.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Southwest wind 7 to 13 mph.
A chance of showers and thunderstorms before 7am. Partly sunny, with a high near 69. Northwest wind 15 to 20 mph, with gusts as high as 26 mph.
Partly cloudy, with a low around 41. North northwest wind 13 to 20 mph, with gusts as high as 26 mph.
Sunny, with a high near 59. North wind 9 to 13 mph.
Clear, with a low around 37. Northeast wind 2 to 8 mph.
Sunny, with a high near 66. Southeast wind 2 to 6 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Oct 13
|
Sunny
|
91°F |
7 to 12 mph
SW
|
|
Tuesday Night
Oct 13
|
Mostly Clear then Slight Chance Showers And Thunderstorms
|
68°F |
5 to 9 mph
SSW
|
|
Wednesday
Oct 14
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
86°F |
7 mph
SW
|
|
Wednesday Night
Oct 14
|
Showers And Thunderstorms Likely
|
66°F |
2 to 6 mph
NNW
|
|
Thursday
Oct 15
|
Showers And Thunderstorms Likely
|
81°F |
3 to 9 mph
E
|
|
Thursday Night
Oct 15
|
Chance Showers And Thunderstorms
|
58°F |
7 to 13 mph
SW
|
|
Friday
Oct 16
|
Chance Showers And Thunderstorms then Partly Sunny
|
69°F |
15 to 20 mph
NW
|
|
Friday Night
Oct 16
|
Partly Cloudy
|
41°F |
13 to 20 mph
NNW
|
|
Saturday
Oct 17
|
Sunny
|
59°F |
9 to 13 mph
N
|
|
Saturday Night
Oct 17
|
Clear
|
37°F |
2 to 8 mph
NE
|
|
Sunday
Oct 18
|
Sunny
|
66°F |
2 to 6 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Saint John.
