Good morning, Franklin County! Here’s your local weather update for Chambersburg, PA, to help you plan your day and week ahead:
🌤️ Today – Monday, July 28, 2025
- Morning: A chance of a few showers in spots.
- Afternoon: Mostly sunny and very hot, with a high near 94 °F (35 °C).
- Evening / Night: Mostly clear; low around 69 °F (21 °C).
- Heat index: With high humidity, it could feel like 100–104 °F or more.
- Safety tips: Stay hydrated, limit Sun exposure, and seek shade or air‑conditioned spaces when possible.
Tuesday, July 29
- Conditions: Partly sunny and extremely hot.
- High: Around 98 °F (36 °C); overnight low ~72 °F (22 °C).
- Heat index: Likely climbing to 104–105 °F.
- Advice: Avoid prolonged outdoor activity. Take frequent, cool breaks especially during peak midday heat.
7‑Day Forecast Summary (July 28 – August 3)
| Day | Conditions | High / Low |
|---|---|---|
| Monday | Morning showers possible, then sunny & hot | 94 °F / 69 °F |
| Tuesday | Very hot, partly sunny | 98 °F / 72 °F |
| Wednesday | Sun → increasing clouds; possible afternoon storms | 97 °F / 72 °F |
| Thursday | Afternoon showers & thunderstorms becoming likely | 80 °F / 66 °F |
| Friday | Morning shower chance; then sun and clouds | 80 °F / 58 °F |
| Saturday | Cloudy, comfortable | 76 °F / 56 °F |
| Sunday | Mostly sunny | 76 °F / 59 °F |
- Wednesday afternoon/evening: Storms may bring localized heavy rain and damaging wind gusts.
- Thursday: Showers and storms are more widespread—humid but cooler high near 80 °F.
- Late week into weekend: Cooler and calmer weather—more pleasant and less humid.
⚠️ Weather Alerts & Advisories
- There are currently no active heat alerts or advisories issued for Chambersburg or Franklin County at this time.
- Historical alerts: On July 26, the National Weather Service issued a Severe Thunderstorm Warning covering southeastern Franklin County (including Chambersburg) due to storms with 60 mph wind gusts, which expired at 11:30 PM that night.
- At present no warnings or watches are in effect.
✅ What to Know and How to Prepare
- Heat safety (Mon–Wed): Stay indoors during peak heat hours; drink water frequently; avoid strenuous activity.
- Storm preparedness (Wed–Thu): Keep an eye on afternoon skies—storms may bring heavy rain and strong winds.
- Weekend plan: Expect cooler, more comfortable conditions—ideal for outdoor plans.
