Allentown, PA Outdoor Project Forecast
Planning a weekend project in Allentown? The grid below scores the next 7 days for 10 common outdoor jobs using the National Weather Service hourly forecast for Allentown, Pennsylvania. Tap any day for the best time to work and what to watch out for.
Loading the latest National Weather Service forecast…
Detailed project forecasts for Allentown
Stain a deck in AllentownMild temps, dry wood, and 24+ rain-free hours after.
Paint outside in AllentownHouse, fence, and trim painting without dew or rain damage.
Pour concrete in AllentownFreeze risk, hot-weather cracking, and rain on fresh slabs.
Seal a driveway in Allentown50°F and rising, with 24–48 dry hours to cure.
Spray weed killer in AllentownRain-free hours, drift-safe wind, and the right temperature.
Fertilize the lawn in AllentownBest right before a light rain, never before a downpour.
Pressure wash in AllentownNo freeze-ups, manageable wind, dry days before staining.
Epoxy a garage floor in AllentownTemperature, humidity, and dew point for a cure that sticks.
Caulk outside in AllentownDry, frost-free surfaces and time to skin before rain.
Spray paint outside in AllentownHumidity, wind, and temperature for a smooth finish.
About this forecast
Forecasts are calculated for the center of Allentown (40.594°, -75.478°). Conditions can differ across the metro area, especially near water, at higher elevations, or in valleys. For the most precise result, enter your own ZIP code above. The forecast refreshes every time you load the page.