Partly sunny, with a high near 79. Partly cloudy. Beta. Submitted by Jenny Damota on March 10, 2020 - 7:50am. Terms of Service | Privacy Policy | Cookies. Sorry, the location you searched for was not found. Lows in the lower 60s. The first option will be automatically selected. Chance of rain 30 percent. Showers likely. We are now leveraging our big data smarts to deliver on the promise of IoT. Chance of rain 40%. South winds around 5 mph. High 69F. Mostly cloudy, with a low around 57. Mostly cloudy in the morning then mostly sunny with a chance of showers in the afternoon. ... 10 Day Forecast Night Mostly Clear 50° Monday 9/14. Local Forecast Office More Local Wx 3 Day History Mobile Weather Hourly Weather Forecast. Chance of rain 40%. Partly cloudy with a 40 percent chance of showers. High near 65F. Partly cloudy skies early followed by mostly cloudy skies and a few showers later at night. Click here for hazard details and duration. Get 5 Day Allergy Forecast for Mechanicsburg, PA (17050). A shower or two possible early with partly cloudy skies in the afternoon. Chance of rain 30 percent. Please select one of the following: Patchy fog after 3am. Use up and down arrows to change selection. High 72F. Partly cloudy. Patchy fog in the morning. Partly cloudy. Patchy fog. Highs in the lower 80s. High near 80F. Chance of rain 50%. Recently searched locations will be displayed if there is no search query. Partly sunny, with a high near 70. Partly sunny, with a high near 82. Mostly clear. Winds will be 6 mph from the WNW. The horizon should be clearly defined and the brightest stars should be visible under good atmospheric conditions (i.e. Winds W at 5 to 10 mph. Clear then Patchy Frost. A few showers early with overcast skies later in the day. See predominant allergens and allergy forecast discussion to better prepare for next day. Harrisburg 5 day forecast with weather outlook providing day and night summary including precipitation, high and low temperatures presented in Fahrenheit and Celsius, sky conditions, rain chance, sunrise, sunset, wind chill, and wind speed with direction. Winds light and variable. The time of Civil Sunset minus the time of Civil Sunrise. Low 43F. Find the most current and reliable 14 day weather forecasts, storm alerts, reports and information for Mechanicsburg, PA, US with The Weather Network. Mostly cloudy, with a high near 78. Otherwise, mostly cloudy, with a low around 59. Use escape to clear. A chance of showers. East wind 3 to 5 mph. Fog developing overnight. Frost Advisory. A chance of showers before 8pm. Winds will be 4 mph from the WNW. Winds light and variable. Lows in the upper 50s. Partly cloudy skies early will become overcast later during the night. Mechanicsburg, PA live road conditions and updates are included - as well as any NWS alerts, warnings, and advisories for the Mechanicsburg area and overall Beaver county, Pennsylvania. Low 42F. ... 10 Day Forecast Night Mostly Clear 50° Monday 9/14. In the beginning of morning astronomical twilight and at the end of astronomical twilight in the evening, sky illumination is very faint, and might be undetectable.