Guernsey, IN Weather Forecast
Local 7-day forecast
Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Guernsey, IN in one place.
Showers and thunderstorms likely before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 83. Northeast wind 0 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Local Weather Overview
This forecast page for Guernsey, 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: Sep 15, 2026 1:20 PM EDT.
The active forecast window currently covers Sep 16 to Sep 21, 2026 for Guernsey, IN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 1:20 PM EDT
- Forecast office
- IWX
- Source
- NOAA / NWS
Daily Outlook
This Week in Guernsey
Thursday looks like the warmest upcoming period in Guernsey at 87 degrees F.
Monday Night is the coolest period ahead with temperatures near 53 degrees F.
The strongest winds are forecast for Friday Night at about 5 to 10 mph SE.
Precipitation is mentioned in 12 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 1:20 PM EDT
- Coverage
- 6 days
- Time zone
- America/Indiana/Indianapolis
- Forecast office
- IWX
- Radar station
- KIWX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. East wind around 0 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
A chance of showers and thunderstorms before 2pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 87. West wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
A slight chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 30%.
A slight chance of rain showers before 8pm, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Showers and thunderstorms likely. Partly sunny, with a high near 78. Chance of precipitation is 60%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58.
A slight chance of rain showers before 2pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 73.
A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 53.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 16
|
Showers And Thunderstorms Likely
|
83°F |
0 to 5 mph
NE
|
|
Wednesday Night
Sep 16
|
Chance Showers And Thunderstorms
|
68°F |
0 mph
|
|
Thursday
Sep 17
|
Chance Showers And Thunderstorms
|
87°F |
0 to 5 mph
W
|
|
Thursday Night
Sep 17
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
65°F |
5 mph
N
|
|
Friday
Sep 18
|
Chance Showers And Thunderstorms
|
81°F |
5 mph
NE
|
|
Friday Night
Sep 18
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
64°F |
5 to 10 mph
SE
|
|
Saturday
Sep 19
|
Slight Chance Showers And Thunderstorms
|
86°F |
10 mph
S
|
|
Saturday Night
Sep 19
|
Showers And Thunderstorms Likely
|
66°F |
5 to 10 mph
SW
|
|
Sunday
Sep 20
|
Showers And Thunderstorms Likely
|
78°F |
5 to 10 mph
NW
|
|
Sunday Night
Sep 20
|
Chance Showers And Thunderstorms
|
58°F |
5 to 10 mph
NE
|
|
Monday
Sep 21
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
73°F |
10 mph
NE
|
|
Monday Night
Sep 21
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
53°F |
5 to 10 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Guernsey.