Current Conditions
Chambersburg, Pennsylvania
Wind
N 3 mph4 km/h
Humidity
25%
Cloud Cover
1%
As of Thursday, July 23, 2026 at 1:51 PM EDT
Today's Outlook
Day
Mostly clear and warm, with a high of 82°F28°C and morning low of 63°F17°C. Light wind from the N around 4 mph6 km/h. Dry air.
Night
Mostly clear, with a low around 66°F19°C. Light wind from the ESE around 3 mph5 km/h.
7-Day Forecast
| Day | Condition | High (°F) | Low (°F) | Precip (mm) | Cloud Cover (%) | Wind (mph) | |
|---|---|---|---|---|---|---|---|
| ThursdayJul 23 | Clear | High 82°F28°C | Low 63°F17°C | Precip 0 in0 mm— | Cloud 1% | Wind NNE 4 mph6 km/h | Thursday: Mostly clear and warm, with a high of 82°F28°C and morning low of 63°F17°C. Light wind from the N around 4 mph6 km/h. Dry air. Thursday Night: Mostly clear, with a low around 66°F19°C. Light wind from the ESE around 3 mph5 km/h. |
| FridayJul 24 | Partly Cloudy | High 83°F28°C | Low 60°F15°C | Precip 0 in0 mm— | Cloud 64% | Wind SE 4 mph7 km/h | Friday: Overcast and warm, with a high of 83°F28°C and morning low of 64°F18°C. Light wind from the SE around 5 mph7 km/h. Friday Night: Partly cloudy, with a low around 60°F15°C. Light wind from the SE around 4 mph6 km/h. |
| SaturdayJul 25 | Clear | High 85°F30°C | Low 62°F17°C | Precip 0 in0 mm— | Cloud 26% | Wind SSE 4 mph6 km/h | Saturday: Partly cloudy and warm, with a high of 85°F30°C and morning low of 67°F20°C. Light wind from the SE around 4 mph6 km/h. Saturday Night: Mostly clear, with a low around 62°F17°C. Light wind from the SSE around 4 mph6 km/h. |
| SundayJul 26 | Showers | High 88°F31°C | Low 66°F19°C | Precip 0.06 in1.5 mm46% | Cloud 39% | Wind WSW 3 mph5 km/h | Sunday: Partly cloudy and hot, with a high of 88°F31°C and morning low of 70°F21°C. Light wind from the W around 3 mph5 km/h. 17% chance of drizzle in the afternoon. Sunday Night: Partly cloudy, with a low around 66°F19°C. Light wind from the SSW around 3 mph5 km/h. 46% chance of showers in the evening. |
| MondayJul 27 | Showers | High 87°F31°C | Low 68°F20°C | Precip 0.09 in2.2 mm30% | Cloud 61% | Wind W 4 mph6 km/h | Monday: Mostly cloudy and hot, with a high of 87°F31°C and morning low of 72°F22°C. Light wind from the W around 4 mph7 km/h. 30% chance of showers throughout the day. Monday Night: Mostly cloudy, with a low around 68°F20°C. Light wind from the WSW around 4 mph6 km/h. 23% chance of drizzle throughout the night. |
| TuesdayJul 28 | Showers | High 84°F29°C | Low 70°F21°C | Precip 0.29 in7.3 mm54% | Cloud 66% | Wind WSW 5 mph8 km/h | Tuesday: Mostly cloudy and warm, with a high of 84°F29°C and morning low of 72°F22°C. Breezy from the WSW at 6 to 7 mph9 to 11 km/h. 54% chance of light rain throughout the day. Humid. Tuesday Night: Mostly cloudy, with a low around 70°F21°C. Light wind from the WSW around 5 mph7 km/h. 44% chance of showers throughout the night. |
| WednesdayJul 29 | Drizzle | High 84°F29°C | Low 69°F20°C | Precip 0.09 in2.3 mm19% | Cloud 36% | Wind NW 7 mph11 km/h | Wednesday: Partly cloudy and warm, with a high of 84°F29°C and morning low of 71°F22°C. Breezy from the NW at 8 mph12 km/h. 16% chance of drizzle throughout the day. Wednesday Night: Partly cloudy, with a low around 69°F20°C. Light wind from the NW around 6 mph9 km/h. 19% chance of drizzle throughout the night. |
15-Day Forecast
| Day | High (°F) | Low (°F) | Precip (mm) | Cloud Cover (%) | Condition | Wind (mph) | |
|---|---|---|---|---|---|---|---|
| ThursdayJul 23 | 82°F28°C | 63°F17°C | 0 in0 mm· — | 1% | Clear | NNE 4 mph6 km/h | |
DayMostly clear and warm, with a high of 82°F28°C and morning low of 63°F17°C. Light wind from the N around 4 mph6 km/h. Dry air. NightMostly clear, with a low around 66°F19°C. Light wind from the ESE around 3 mph5 km/h. | |||||||
| FridayJul 24 | 83°F28°C | 60°F15°C | 0 in0 mm· — | 64% | Partly Cloudy | SE 4 mph7 km/h | |
DayOvercast and warm, with a high of 83°F28°C and morning low of 64°F18°C. Light wind from the SE around 5 mph7 km/h. NightPartly cloudy, with a low around 60°F15°C. Light wind from the SE around 4 mph6 km/h. | |||||||
| SaturdayJul 25 | 85°F30°C | 62°F17°C | 0 in0 mm· — | 26% | Clear | SSE 4 mph6 km/h | |
DayPartly cloudy and warm, with a high of 85°F30°C and morning low of 67°F20°C. Light wind from the SE around 4 mph6 km/h. NightMostly clear, with a low around 62°F17°C. Light wind from the SSE around 4 mph6 km/h. | |||||||
| SundayJul 26 | 88°F31°C | 66°F19°C | 0.06 in1.5 mm· 46% | 39% | Showers | WSW 3 mph5 km/h | |
DayPartly cloudy and hot, with a high of 88°F31°C and morning low of 70°F21°C. Light wind from the W around 3 mph5 km/h. 17% chance of drizzle in the afternoon. NightPartly cloudy, with a low around 66°F19°C. Light wind from the SSW around 3 mph5 km/h. 46% chance of showers in the evening. | |||||||
| MondayJul 27 | 87°F31°C | 68°F20°C | 0.09 in2.2 mm· 30% | 61% | Showers | W 4 mph6 km/h | |
DayMostly cloudy and hot, with a high of 87°F31°C and morning low of 72°F22°C. Light wind from the W around 4 mph7 km/h. 30% chance of showers throughout the day. NightMostly cloudy, with a low around 68°F20°C. Light wind from the WSW around 4 mph6 km/h. 23% chance of drizzle throughout the night. | |||||||
| TuesdayJul 28 | 84°F29°C | 70°F21°C | 0.29 in7.3 mm· 54% | 66% | Showers | WSW 5 mph8 km/h | |
DayMostly cloudy and warm, with a high of 84°F29°C and morning low of 72°F22°C. Breezy from the WSW at 6 to 7 mph9 to 11 km/h. 54% chance of light rain throughout the day. Humid. NightMostly cloudy, with a low around 70°F21°C. Light wind from the WSW around 5 mph7 km/h. 44% chance of showers throughout the night. | |||||||
| WednesdayJul 29 | 84°F29°C | 69°F20°C | 0.09 in2.3 mm· 19% | 36% | Drizzle | NW 7 mph11 km/h | |
DayPartly cloudy and warm, with a high of 84°F29°C and morning low of 71°F22°C. Breezy from the NW at 8 mph12 km/h. 16% chance of drizzle throughout the day. NightPartly cloudy, with a low around 69°F20°C. Light wind from the NW around 6 mph9 km/h. 19% chance of drizzle throughout the night. | |||||||
| ThursdayJul 30 | 86°F30°C | 65°F18°C | 0.02 in0.6 mm· 6% | 26% | Clear | NW 5 mph8 km/h | |
DayPartly cloudy and hot, with a high of 86°F30°C and morning low of 69°F21°C. Light wind from the NW around 6 mph9 km/h. NightMostly clear, with a low around 65°F18°C. Light wind from the NW around 5 mph8 km/h. | |||||||
| FridayJul 31 | 89°F32°C | 65°F18°C | 0.02 in0.6 mm· 10% | 35% | Drizzle | WNW 4 mph7 km/h | |
DayPartly cloudy and hot, with a high of 89°F32°C and morning low of 70°F21°C. Light wind from the WNW around 4 mph7 km/h. 10% chance of drizzle in the afternoon. NightPartly cloudy, with a low around 65°F18°C. Light wind from the W around 4 mph7 km/h. | |||||||
| SaturdayAug 1 | 88°F31°C | 67°F20°C | 0.09 in2.3 mm· 25% | 48% | Showers | WSW 4 mph7 km/h | |
DayMostly cloudy and hot, with a high of 88°F31°C and morning low of 71°F22°C. Light wind from the WSW around 5 mph7 km/h. 25% chance of showers throughout the day. NightPartly cloudy, with a low around 67°F20°C. Light wind from the SW around 4 mph7 km/h. 20% chance of drizzle throughout the night. | |||||||
| SundayAug 2 | 88°F31°C | 68°F20°C | 0.13 in3.2 mm· 22% | 51% | Showers | WSW 5 mph7 km/h | |
DayMostly cloudy and hot, with a high of 88°F31°C and morning low of 71°F22°C. Light wind from the W around 5 mph8 km/h. 22% chance of showers throughout the day. NightPartly cloudy, with a low around 68°F20°C. Light wind from the WSW around 4 mph7 km/h. 18% chance of drizzle throughout the night. | |||||||
| MondayAug 3 | 89°F32°C | 68°F20°C | 0.07 in1.7 mm· 14% | 41% | Drizzle | W 5 mph7 km/h | |
DayPartly cloudy and hot, with a high of 89°F32°C and morning low of 71°F22°C. Light wind from the W around 5 mph8 km/h. 14% chance of drizzle throughout the day. NightPartly cloudy, with a low around 68°F20°C. Light wind from the WSW around 4 mph7 km/h. | |||||||
| TuesdayAug 4 | 89°F32°C | 69°F21°C | 0.05 in1.3 mm· 23% | 48% | Drizzle | WSW 5 mph8 km/h | |
DayPartly cloudy and hot, with a high of 89°F32°C and morning low of 72°F22°C. Light wind from the WSW around 5 mph8 km/h. 23% chance of drizzle in the afternoon. NightPartly cloudy, with a low around 69°F21°C. Light wind from the SW around 5 mph7 km/h. 12% chance of drizzle in the evening. | |||||||
| WednesdayAug 5 | 89°F32°C | 70°F21°C | 0.08 in2 mm· 23% | 55% | Showers | WSW 5 mph8 km/h | |
DayMostly cloudy and hot, with a high of 89°F32°C and morning low of 73°F23°C. Breezy from the W at 5 to 7 mph9 to 11 km/h. 23% chance of showers throughout the day. NightMostly cloudy, with a low around 70°F21°C. Light wind from the WSW around 5 mph7 km/h. 17% chance of showers throughout the night. | |||||||
| ThursdayAug 6 | 87°F31°C | 70°F21°C | 0.12 in3 mm· 29% | 56% | Showers | WSW 5 mph8 km/h | |
DayMostly cloudy and hot, with a high of 87°F31°C and morning low of 72°F22°C. Light wind from the W around 5 mph8 km/h. 29% chance of showers throughout the day. NightMostly cloudy, with a low around 70°F21°C. Light wind from the WSW around 4 mph7 km/h. 20% chance of drizzle throughout the night. | |||||||
Nearby Cities
About This Forecast
This forecast is powered by WeatherMesh, the world's most advanced and accurate weather model powered by AI. WeatherMesh is built on proprietary data from WindBorne's Global Sounding Balloon constellation — the world's largest fleet of autonomous, long-duration weather balloons — collecting observations across 100% of Earth, including over oceans and remote regions where no other data exists.
WeatherMesh consistently outperforms legacy models in independent benchmarks. View Benchmarks →
Access WeatherMesh forecasts programmatically via our API. API Documentation →
Coordinates: 39.9376°N, 77.6611°W·Elevation: 188m·Timezone: America/New_York·Population: 20,691