Chambersburg, IN Weather Forecast
Local 7-day forecast
Patchy Fog then Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Chambersburg, IN in one place.
Patchy fog between 8am and 9am. Sunny, with a high near 80. North wind around 2 mph.
Local Weather Overview
This forecast page for Chambersburg, 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: Jun 22, 2026 9:18 AM EDT.
The active forecast window currently covers Jun 23 to Jun 28, 2026 for Chambersburg, IN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 23 to Jun 28, 2026
- Latest sync
- Jun 22, 2026 9:18 AM EDT
- Forecast office
- LMK
- Source
- NOAA / NWS
Daily Outlook
This Week in Chambersburg
Sunday looks like the warmest upcoming period in Chambersburg at 88 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 58 degrees F.
The strongest winds are forecast for Sunday at about 5 mph S.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 22, 2026 9:18 AM EDT
- Coverage
- 6 days
- Time zone
- America/Indiana/Indianapolis
- Forecast office
- LMK
- Radar station
- KLVX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Patchy fog after 3am. Mostly clear, with a low around 58. Northeast wind around 1 mph.
Patchy fog before 7am. Mostly sunny, with a high near 82. Southeast wind around 2 mph.
A slight chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 64. Chance of precipitation is 20%.
A chance of showers and thunderstorms. Mostly sunny, with a high near 83. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 2am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Showers and thunderstorms likely before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 40%.
Partly cloudy, with a low around 73.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 23
|
Patchy Fog then Sunny
|
80°F |
2 mph
N
|
|
Tuesday Night
Jun 23
|
Mostly Clear then Patchy Fog
|
58°F |
1 mph
NE
|
|
Wednesday
Jun 24
|
Patchy Fog then Mostly Sunny
|
82°F |
2 mph
SE
|
|
Wednesday Night
Jun 24
|
Slight Chance Showers And Thunderstorms
|
64°F |
2 mph
S
|
|
Thursday
Jun 25
|
Chance Showers And Thunderstorms
|
83°F |
3 mph
SW
|
|
Thursday Night
Jun 25
|
Chance Showers And Thunderstorms
|
64°F |
3 mph
W
|
|
Friday
Jun 26
|
Chance Showers And Thunderstorms
|
82°F |
2 mph
SW
|
|
Friday Night
Jun 26
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
66°F |
2 mph
S
|
|
Saturday
Jun 27
|
Showers And Thunderstorms Likely
|
83°F |
3 mph
SW
|
|
Saturday Night
Jun 27
|
Chance Showers And Thunderstorms
|
69°F |
2 mph
SW
|
|
Sunday
Jun 28
|
Chance Showers And Thunderstorms
|
88°F |
5 mph
S
|
|
Sunday Night
Jun 28
|
Partly Cloudy
|
73°F |
3 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Chambersburg.