On Thursday, 19 September, mostly partly cloudy weather, no precipitation are expected in Williamsport. The lowest air temperature will be +18°C at 8 am, the highest temperature will be +29°C around 5 pm. The atmospheric pressure will be within 738-740 mm Hg. The relative humidity 48-92%. The wind will be mainly northeasterly 3 m/s with maximum gusts up to 6 m/s. Ultraviolet index 6, sun protection is required
now at 20:19 according to the forecast
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UVI
weather in Williamsport for 14 days - detailed forecast
On Friday, 20 September, mostly partly cloudy, no precipitation are expected in Williamsport. The lowest air temperature will be +15°C at 5 am, the highest temperature will be +29°C around 5 pm. The atmospheric pressure will be within 738-739 mm Hg. The relative humidity 44-94%. The wind will be mainly easterly 2 m/s with maximum gusts up to 3 m/s. Ultraviolet index 6, sun protection is required
UVI
On Saturday, 21 September, mostly partly cloudy weather, light rain, thunderstorm possible are expected in Williamsport. The lowest air temperature will be +17°C at 5 am, the highest temperature will be +31°C around 5 pm. The atmospheric pressure will be within 737-739 mm Hg. The relative humidity 46-89%. The wind will be mainly southerly 3 m/s with maximum gusts up to 7 m/s. Ultraviolet index 6, sun protection is required
UVI
On Sunday, 22 September, mostly partly cloudy, rain are expected in Williamsport. The lowest air temperature will be +19°C at 5 am, the highest temperature will be +30°C around 5 pm. The atmospheric pressure will be within 737-739 mm Hg. The relative humidity 49-93%. The wind will be mainly southerly 2 m/s with maximum gusts up to 7 m/s. Ultraviolet index 6, sun protection is required
UVI
On Monday, 23 September, mostly partly cloudy, rain, thunderstorm are expected in Williamsport. The lowest air temperature will be +18°C at 5 pm, the highest temperature will be +23°C around 2 pm. The atmospheric pressure will be within 736-739 mm Hg. The relative humidity 86-100%. The wind will be mainly southwesterly 6 m/s with maximum gusts up to 9 m/s. Ultraviolet index 7, sun protection is required
UVI
On Tuesday, 24 September, mostly cloudy weather, light rain are expected in Williamsport. The lowest air temperature will be +19°C at 5 am, the highest temperature will be +23°C around 5 pm. The atmospheric pressure will be within 738-740 mm Hg. The relative humidity 81-97%. The wind will be mainly westerly 2 m/s with maximum gusts up to 3 m/s. Ultraviolet index 6, sun protection is required
UVI
On Wednesday, 25 September, mostly partly cloudy, rain, thunderstorm are expected in Williamsport. The lowest air temperature will be +19°C at 5 am, the highest temperature will be +24°C around 5 pm. The atmospheric pressure will be within 734-737 mm Hg. The relative humidity 82-99%. The wind will be mainly southwesterly 4 m/s with maximum gusts up to 9 m/s. Ultraviolet index 4, sun protection is required
UVI
On Thursday, 26 September, mostly partly cloudy weather, no precipitation are expected in Williamsport. The lowest air temperature will be +16°C at 11 pm, the highest temperature will be +22°C around 5 pm. The atmospheric pressure will be within 733-738 mm Hg. The relative humidity 69-100%. The wind will be mainly westerly 3 m/s with maximum gusts up to 4 m/s. Ultraviolet index 5, sun protection is required
UVI
On Friday, 27 September, mostly clear weather, no precipitation are expected in Williamsport. The lowest air temperature will be +14°C at 8 am, the highest temperature will be +22°C around 5 pm. The atmospheric pressure will be within 738-740 mm Hg. The relative humidity 62-94%. The wind will be mainly northerly 3 m/s with maximum gusts up to 4 m/s. Ultraviolet index 6, sun protection is required
UVI
On Saturday, 28 September, mostly partly cloudy weather, no precipitation are expected in Williamsport. The lowest air temperature will be +12°C at 8 am, the highest temperature will be +23°C around 5 pm. The atmospheric pressure will be within 740-741 mm Hg. The relative humidity 56-98%. The wind will be mainly northeasterly 2 m/s with maximum gusts up to 3 m/s. Ultraviolet index 6, sun protection is required
UVI
On Sunday, 29 September, mostly partly cloudy, no precipitation are expected in Williamsport. The lowest air temperature will be +15°C at 5 am, the highest temperature will be +21°C around 2 pm. The atmospheric pressure will be within 734-740 mm Hg. The relative humidity 83-89%. The wind will be mainly southerly 3 m/s with maximum gusts up to 5 m/s. Ultraviolet index 6, sun protection is required