7-Day Forecast 40.62°N 79.11°W (Text-Only)
NWS Forecast for: Indiana / Stewart Field PA
Issued by: National Weather Service Pittsburgh, PA
Last Update: 1:56 pm EDT Jul 15, 2025
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  • This
    Afternoon

    This Afternoon: Mostly sunny, with a high near 30. Calm wind.

    High: 30 °C

    Mostly Sunny




  • Tonight

    Tonight: Patchy dense fog before 2am, then patchy dense fog after 3am.  Otherwise, mostly cloudy, with a low around 21. Calm wind.

    Low: 21 °C

    Mostly Cloudy
    then Patchy
    Dense Fog


  • Wednesday

    Wednesday: Showers and thunderstorms likely before 3pm, then showers and possibly a thunderstorm between 3pm and 5pm, then showers and thunderstorms likely after 5pm.  Patchy fog before 7am. High near 29. Calm wind becoming southwest 5 to 10 km/h in the morning.  Chance of precipitation is 80%. New rainfall amounts between 2.5 and 5 mm possible.

    High: 29 °C

    Chance
    T-storms and
    Patchy Fog
    then T-storms

  • Wednesday
    Night

    Wednesday Night: Showers and thunderstorms before 5am, then a chance of showers.  Low around 21. Southeast wind 5 to 10 km/h becoming southwest after midnight.  Chance of precipitation is 80%. New rainfall amounts between 5 and 7.5 mm possible.

    Low: 21 °C

    T-storms then
    Showers
    Likely


  • Thursday

    Thursday: A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm.  Mostly cloudy, with a high near 29. Southwest wind 14 to 18 km/h, with gusts as high as 34 km/h.  Chance of precipitation is 70%. New rainfall amounts between 2.5 and 5 mm possible.

    High: 29 °C

    Chance
    T-storms then
    T-storms
    Likely

  • Thursday
    Night

    Thursday Night: Showers and thunderstorms likely before 2am, then a slight chance of showers.  Mostly cloudy, with a low around 19. Chance of precipitation is 60%. New rainfall amounts between 2.5 and 5 mm possible.

    Low: 19 °C

    T-storms
    Likely then
    Chance
    Showers

  • Friday

    Friday: A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm.  Mostly cloudy, with a high near 26. Chance of precipitation is 30%.

    High: 26 °C

    Chance
    Showers then
    Chance
    T-storms

  • Friday
    Night

    Friday Night: A chance of thunderstorms before 8pm.  Patchy fog after 11pm.  Otherwise, mostly cloudy, with a low around 17. Chance of precipitation is 30%.

    Low: 17 °C

    Chance
    T-storms and
    Patchy Fog
    then Patchy
    Fog

  • Saturday

    Saturday: A chance of showers and thunderstorms after 2pm.  Patchy fog before 9am.  Otherwise, partly sunny, with a high near 28. Chance of precipitation is 40%.

    High: 28 °C

    Patchy Fog
    then Chance
    T-storms




  • This Afternoon: Mostly sunny, with a high near 30. Calm wind.

    Tonight: Patchy dense fog before 2am, then patchy dense fog after 3am. Otherwise, mostly cloudy, with a low around 21. Calm wind.

    Wednesday: Showers and thunderstorms likely before 3pm, then showers and possibly a thunderstorm between 3pm and 5pm, then showers and thunderstorms likely after 5pm. Patchy fog before 7am. High near 29. Calm wind becoming southwest 5 to 10 km/h in the morning. Chance of precipitation is 80%. New rainfall amounts between 2.5 and 5 mm possible.

    Wednesday Night: Showers and thunderstorms before 5am, then a chance of showers. Low around 21. Southeast wind 5 to 10 km/h becoming southwest after midnight. Chance of precipitation is 80%. New rainfall amounts between 5 and 7.5 mm possible.

    Thursday: A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. Mostly cloudy, with a high near 29. Southwest wind 14 to 18 km/h, with gusts as high as 34 km/h. Chance of precipitation is 70%. New rainfall amounts between 2.5 and 5 mm possible.

    Thursday Night: Showers and thunderstorms likely before 2am, then a slight chance of showers. Mostly cloudy, with a low around 19. Chance of precipitation is 60%. New rainfall amounts between 2.5 and 5 mm possible.

    Friday: A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 26. Chance of precipitation is 30%.

    Friday Night: A chance of thunderstorms before 8pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 17. Chance of precipitation is 30%.

    Saturday: A chance of showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 28. Chance of precipitation is 40%.

    Saturday Night: A chance of showers and thunderstorms, then showers likely after 2am. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.

    Sunday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 27. Chance of precipitation is 70%.

    Sunday Night: A chance of showers and thunderstorms. Patchy fog. Otherwise, mostly cloudy, with a low around 18. Chance of precipitation is 30%.

    Monday: A chance of showers and thunderstorms. Patchy fog. Otherwise, partly sunny, with a high near 28. Chance of precipitation is 30%.



    Indiana / Stewart Field PA
     40.62°N 79.11°W (Elev. 1345 m)

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