Chambersburg, Pennsylvania Weather Forecast
Today in Chambersburg: slight rain showers with a high near 67°F and a low around 54°F. Rain chance 25%. Rain chances peak at 41% on Friday. Cooling trend: highs fall from 67°F today to 57°F by Sunday.
Forecast updated 10:05 AM EDT, Oct 15
Active Weather Alerts
7-Day Forecast for Chambersburg
Today 10/15
67°/54°
25%
Fri 10/16
81°/58°
41%
Sat 10/17
57°/41°
11%
Sun 10/18
57°/35°
7%
Mon 10/19
61°/38°
8%
Tue 10/20
65°/41°
8%
Wed 10/21
65°/43°
3%
Next 24 Hours
| Now | 4 PM | 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | Fri12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | 10 AM | 11 AM | 12 PM | 1 PM | 2 PM | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sky |  |  | | | | | | | | | | |  | | |  | | | | | | | | |
| Temp | 62° | 61° | 61° | 61° | 61° | 60° | 59° | 58° | 58° | 58° | 58° | 58° | 59° | 59° | 60° | 61° | 61° | 62° | 65° | 68° | 71° | 75° | 79° | 81° |
| Rain | 3% | 7% | 17% | 25% | 5% | 8% | 6% | 3% | 4% | 14% | 16% | 21% | 18% | 25% | 18% | 7% | 8% | 10% | 10% | 9% | 8% | 5% | 5% | 7% |
| Wind | SE 3 | SSE 3 | S 4 | SSE 3 | SSE 3 | SSE 4 | SSE 4 | S 5 | S 5 | S 6 | S 6 | S 7 | S 8 | S 9 | S 10 | S 10 | S 10 | S 10 | S 10 | SSW 10 | SSW 9 | SSW 11 | SW 12 | SW 13 |
Growing Conditions
Growing degree days
3,690
since Apr 1, base 50°F
Rain, last 30 days
1.60 in
model analysis
Rain, year to date
33.31 in
since Jan 1
2-inch soil temperature
67°F
yesterday, daily average
Reference ET, last 7 days
0.70 in
FAO-56 grass reference
Through Oct 14. Season totals use model analysis for this point and update every morning.
Soil, ET and spray tools for Chambersburg →
Current Stats & Observations
NWS Forecast
About Chambersburg Weather
Chambersburg sits at about 640 feet above sea level in Franklin County, Pennsylvania. About 53,083 people live in the Chambersburg area. Official forecasts and warnings for the area come from the National Weather Service CTP office, and the nearest NEXRAD radar site is KLWX. The city is in USDA plant hardiness zone 7a, where the coldest winter night typically falls between 0 to 5°F. Over the past ten years the last spring freeze has come around Apr 11 and the first fall freeze around Nov 10.
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