Current Conditions
Chambersburg, Pennsylvania
Wind
S 2 mph4 km/h
Humidity
91%
Cloud Cover
86%
As of Wednesday, September 2, 2026 at 8:58 AM EDT
Today's Outlook
Day
Overcast and warm, with a high of 86°F30°C and morning low of 74°F23°C — feels like 91°F33°C. Light wind from the S around 3 mph5 km/h. 52% chance of light rain throughout the day. Heavy, humid air.
Night
Overcast, with a low around 74°F24°C. Light wind from the S around 5 mph8 km/h. 39% chance of light rain throughout the night.
7-Day Forecast
| Day | Condition | High (°F) | Low (°F) | Precip (mm) | Cloud Cover (%) | Wind (mph) | |
|---|---|---|---|---|---|---|---|
| Light Rain | High 86°F30°CFeels 92°F33°C | Low 74°F23°C | Precip 0.18 in4.6 mm52% | Cloud 85% | Wind S 4 mph6 km/h | Wednesday: Overcast and warm, with a high of 86°F30°C and morning low of 74°F23°C — feels like 91°F33°C. Light wind from the S around 3 mph5 km/h. 52% chance of light rain throughout the day. Heavy, humid air. Wednesday Night: Overcast, with a low around 74°F24°C. Light wind from the S around 5 mph8 km/h. 39% chance of light rain throughout the night. | |
| Light Rain | High 88°F31°CFeels 94°F34°C | Low 70°F21°C | Precip 0.09 in2.4 mm33% | Cloud 73% | Wind WSW 5 mph8 km/h | Thursday: Mostly cloudy and hot, with a high of 88°F31°C and morning low of 71°F22°C. Breezy from the WSW at 6 to 7 mph10 to 11 km/h. 25% chance of drizzle in the afternoon. Heavy, humid air. Thursday Night: Mostly cloudy, with a low around 70°F21°C. Light wind from the SW around 4 mph7 km/h. 33% chance of light rain throughout the night. | |
| Showers | High 86°F30°CFeels 90°F32°C | Low 72°F22°C | Precip 0.11 in2.9 mm46% | Cloud 58% | Wind NW 6 mph9 km/h | Friday: Mostly cloudy and hot, with a high of 86°F30°C and morning low of 73°F23°C. Breezy from the NW at 7 to 8 mph11 to 13 km/h. 46% chance of showers throughout the day. Humid. Friday Night: Mostly cloudy, with a low around 72°F22°C. Light wind from the WNW around 5 mph8 km/h. 23% chance of drizzle throughout the night. | |
| Drizzle | High 81°F27°C | Low 68°F20°C | Precip 0.02 in0.6 mm11% | Cloud 40% | Wind N 6 mph9 km/h | Saturday: Partly cloudy and warm, with a high of 81°F27°C and morning low of 69°F20°C. Breezy from the N at 7 to 8 mph10 to 13 km/h. Saturday Night: Partly cloudy, with a low around 68°F20°C. Light wind from the N around 5 mph8 km/h. 11% chance of drizzle overnight. | |
| Clear | High 79°F26°C | Low 62°F17°C | Precip 0 in0.1 mm6% | Cloud 32% | Wind NNE 5 mph8 km/h | Sunday: Partly cloudy and warm, with a high of 79°F26°C and morning low of 63°F17°C. Light wind from the NNE around 5 mph8 km/h. Sunday Night: Mostly clear, with a low around 62°F17°C. Light wind from the NNE around 5 mph8 km/h. | |
| Partly Cloudy | High 81°F27°C | Low 59°F15°C | Precip 0 in0.1 mm7% | Cloud 40% | Wind E 3 mph6 km/h | Monday: Mostly cloudy and warm, with a high of 81°F27°C and morning low of 62°F16°C. Light wind from the ESE around 3 mph5 km/h. Monday Night: Partly cloudy, with a low around 59°F15°C. Light wind from the E around 4 mph6 km/h. | |
| Partly Cloudy | High 84°F29°C | Low 62°F16°C | Precip 0 in0 mm— | Cloud 63% | Wind SSE 4 mph6 km/h | Tuesday: Mostly cloudy and warm, with a high of 84°F29°C and morning low of 63°F17°C. Light wind from the S around 3 mph6 km/h. Tuesday Night: Mostly cloudy, with a low around 62°F16°C. Light wind from the SSE around 4 mph7 km/h. |
15-Day Forecast
| Day | High | Low | Precip | Cloud Cover | Condition | Wind | |
|---|---|---|---|---|---|---|---|
| WednesdaySep 2 | 86°F30°C Feels 92°F33°C | 74°F23°C | 0.18 in4.6 mm· 52% | 85% | Light Rain | S 4 mph6 km/h | |
DayOvercast and warm, with a high of 86°F30°C and morning low of 74°F23°C — feels like 91°F33°C. Light wind from the S around 3 mph5 km/h. 52% chance of light rain throughout the day. Heavy, humid air. NightOvercast, with a low around 74°F24°C. Light wind from the S around 5 mph8 km/h. 39% chance of light rain throughout the night. | |||||||
| ThursdaySep 3 | 88°F31°C Feels 94°F34°C | 70°F21°C | 0.09 in2.4 mm· 33% | 73% | Light Rain | WSW 5 mph8 km/h | |
DayMostly cloudy and hot, with a high of 88°F31°C and morning low of 71°F22°C. Breezy from the WSW at 6 to 7 mph10 to 11 km/h. 25% chance of drizzle in the afternoon. Heavy, humid air. NightMostly cloudy, with a low around 70°F21°C. Light wind from the SW around 4 mph7 km/h. 33% chance of light rain throughout the night. | |||||||
| FridaySep 4 | 86°F30°C Feels 90°F32°C | 72°F22°C | 0.11 in2.9 mm· 46% | 58% | Showers | NW 6 mph9 km/h | |
DayMostly cloudy and hot, with a high of 86°F30°C and morning low of 73°F23°C. Breezy from the NW at 7 to 8 mph11 to 13 km/h. 46% chance of showers throughout the day. Humid. NightMostly cloudy, with a low around 72°F22°C. Light wind from the WNW around 5 mph8 km/h. 23% chance of drizzle throughout the night. | |||||||
| SaturdaySep 5 | 81°F27°C | 68°F20°C | 0.02 in0.6 mm· 11% | 40% | Drizzle | N 6 mph9 km/h | |
DayPartly cloudy and warm, with a high of 81°F27°C and morning low of 69°F20°C. Breezy from the N at 7 to 8 mph10 to 13 km/h. NightPartly cloudy, with a low around 68°F20°C. Light wind from the N around 5 mph8 km/h. 11% chance of drizzle overnight. | |||||||
| SundaySep 6 | 79°F26°C | 62°F17°C | 0 in0.1 mm· 6% | 32% | Clear | NNE 5 mph8 km/h | |
DayPartly cloudy and warm, with a high of 79°F26°C and morning low of 63°F17°C. Light wind from the NNE around 5 mph8 km/h. NightMostly clear, with a low around 62°F17°C. Light wind from the NNE around 5 mph8 km/h. | |||||||
| MondaySep 7 | 81°F27°C | 59°F15°C | 0 in0.1 mm· 7% | 40% | Partly Cloudy | E 3 mph6 km/h | |
DayMostly cloudy and warm, with a high of 81°F27°C and morning low of 62°F16°C. Light wind from the ESE around 3 mph5 km/h. NightPartly cloudy, with a low around 59°F15°C. Light wind from the E around 4 mph6 km/h. | |||||||
| TuesdaySep 8 | 84°F29°C | 62°F16°C | 0 in0 mm· — | 63% | Partly Cloudy | SSE 4 mph6 km/h | |
DayMostly cloudy and warm, with a high of 84°F29°C and morning low of 63°F17°C. Light wind from the S around 3 mph6 km/h. NightMostly cloudy, with a low around 62°F16°C. Light wind from the SSE around 4 mph7 km/h. | |||||||
| WednesdaySep 9 | 88°F31°C | 66°F19°C | 0.04 in0.9 mm· 11% | 54% | Drizzle | SSW 5 mph8 km/h | |
DayMostly cloudy and hot, with a high of 88°F31°C and morning low of 68°F20°C. Light wind from the SW around 5 mph8 km/h. 11% chance of drizzle throughout the day. NightMostly cloudy, with a low around 66°F19°C. Light wind from the S around 5 mph8 km/h. | |||||||
| ThursdaySep 10 | 90°F32°C Feels 93°F34°C | 72°F22°C | 0.03 in0.8 mm· 18% | 47% | Drizzle | W 6 mph10 km/h | |
DayMostly cloudy and hot, with a high of 90°F32°C and morning low of 73°F23°C. Breezy from the W at 7 to 8 mph11 to 13 km/h. 18% chance of drizzle in the afternoon. Humid. NightPartly cloudy, with a low around 72°F22°C. Light wind from the WSW around 6 mph9 km/h. | |||||||
| FridaySep 11 | 86°F30°C | 71°F22°C | 0.07 in1.7 mm· 15% | 46% | Drizzle | WNW 6 mph9 km/h | |
DayPartly cloudy and hot, with a high of 86°F30°C and morning low of 72°F22°C. Breezy from the WNW at 6 to 7 mph10 to 11 km/h. 15% chance of drizzle throughout the day. NightPartly cloudy, with a low around 71°F22°C. Light wind from the WNW around 5 mph8 km/h. 10% chance of drizzle throughout the night. | |||||||
| SaturdaySep 12 | 85°F29°C | 67°F20°C | 0.07 in1.7 mm· 17% | 50% | Drizzle | SW 5 mph8 km/h | |
DayMostly cloudy and warm, with a high of 85°F29°C and morning low of 68°F20°C. Light wind from the WSW around 6 mph9 km/h. 17% chance of drizzle throughout the day. NightPartly cloudy, with a low around 67°F20°C. Light wind from the SSW around 5 mph8 km/h. 14% chance of drizzle throughout the night. | |||||||
| SundaySep 13 | 84°F29°C | 69°F20°C | 0.11 in2.8 mm· 20% | 53% | Showers | WSW 6 mph9 km/h | |
DayMostly cloudy and warm, with a high of 84°F29°C and morning low of 69°F21°C. Breezy from the W at 6 to 7 mph10 to 12 km/h. 20% chance of showers throughout the day. NightMostly cloudy, with a low around 69°F20°C. Light wind from the WSW around 5 mph9 km/h. 16% chance of showers throughout the night. | |||||||
| MondaySep 14 | 81°F27°C | 67°F19°C | 0.1 in2.5 mm· 26% | 54% | Drizzle | WNW 5 mph9 km/h | |
DayMostly cloudy and warm, with a high of 81°F27°C and morning low of 67°F19°C. Light wind from the WNW around 6 mph9 km/h. 26% chance of drizzle throughout the day. NightMostly cloudy, with a low around 67°F19°C. Light wind from the NW around 5 mph8 km/h. 19% chance of drizzle throughout the night. | |||||||
| TuesdaySep 15 | 80°F26°C | 64°F18°C | 0.09 in2.3 mm· 20% | 54% | Drizzle | W 5 mph9 km/h | |
DayMostly cloudy and warm, with a high of 80°F26°C and morning low of 65°F18°C. Light wind from the W around 6 mph9 km/h. 20% chance of drizzle throughout the day. NightMostly cloudy, with a low around 64°F18°C. Light wind from the SW around 5 mph8 km/h. 16% chance of drizzle throughout the night. | |||||||
| WednesdaySep 16 | 78°F26°C | 64°F18°C | 0.12 in3 mm· 20% | 52% | Showers | WNW 6 mph9 km/h | |
DayMostly cloudy and warm, with a high of 78°F26°C and morning low of 64°F18°C. Light wind from the WNW around 6 mph10 km/h. 20% chance of drizzle throughout the day. NightPartly cloudy, with a low around 64°F18°C. Light wind from the NNW around 5 mph9 km/h. 15% chance of showers throughout the night. | |||||||
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Coordinates: 39.9376°N, 77.6611°W·Elevation: 188m·Timezone: America/New_York·Population: 20,691