A developing coastal low will bring increasing cloud cover and light precipitation to southeastern Pennsylvania over the next 24 hours, with temperatures remaining in the 70s and potential for reduced visibility.

Clouds will gradually thicken across the region on Tuesday and Wednesday, with light rain expected primarily in southeastern counties, including Lancaster and York. Showers left puddles in the road around York on Tuesday evening.

The National Weather Service forecasts high temperatures in the upper 70s to low 80s today, dropping to the mid to upper 60s on Wednesday as easterly winds bring cooler, moisture-laden air from the Atlantic.

Not great news in the rainfall department...the end of September looks continually dry. #PAwx pic.twitter.com/kfmDflNxp1 — NWS State College (

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