Williamsport (PA)
Tomorrow
Tomorrow weather in Williamsport
Sunday, September 20th, 2026
18°
Fog
Low 14°
The weather tomorrow in Williamsport will be colder than today, with max temperatures of 17°.
The rain will visit again tomorrow in Williamsport and the expected precipitation are 13 mm.
18° / 14°
Temp
96%
Rain
8 km/h
Wind
98%
Humidity
Williamsport Weather Pages
Williamsport hourly forecast for tomorrow
Scroll right to see more weather forecasts for Williamsport tomorrow
| 12:00 AM | 01:00 AM | 02:00 AM | 03:00 AM | 04:00 AM | 05:00 AM | 06:00 AM | 06:53 AM | 07:00 AM | 08:00 AM | 09:00 AM | 10:00 AM | 11:00 AM | 12:00 PM | 01:00 PM | 02:00 PM | 03:00 PM | 04:00 PM | 05:00 PM | 06:00 PM | 07:00 PM | 07:09 PM | 08:00 PM | 09:00 PM | 10:00 PM | 11:00 PM | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  |  |  |  | | | |  | |  | | | | | | | | | | | |  | | | | | Next |
| temperatures | 15.6° | 14.8° | 14.3° | 14° | 14° | 14.2° | 14.3° | Sunrise | 14.6° | 14.9° | 15.2° | 15.8° | 16.1° | 16.7° | 17° | 17.7° | 17.3° | 17.2° | 17.3° | 17.2° | 17.3° | Sunset | 17.5° | 17.5° | 16.3° | 15.4° | |
| wind speed | 6 km/h | 8 km/h | 8 km/h | 8 km/h | 8 km/h | 6 km/h | 5 km/h | 5 km/h | 4 km/h | 5 km/h | 3 km/h | 5 km/h | 2 km/h | 3 km/h | 4 km/h | 3 km/h | 3 km/h | 3 km/h | 3 km/h | 4 km/h | 4 km/h | 7 km/h | 8 km/h | 7 km/h | |||
| wind degree | 119° | 125° | 127° | 122° | 129° | 129° | 114° | 114° | 113° | 118° | 126° | 133° | 164° | 155° | 174° | 169° | 141° | 165° | 8° | 353° | 350° | 358° | 357° | 353° | |||
| wind direction | ESE | SE | SE | ESE | SE | SE | ESE | ESE | ESE | ESE | SE | SE | SSE | SSE | S | S | SE | SSE | N | N | N | N | N | N | |||
| Precipitation | 0.1 mm | 0.2 mm | 2.4 mm | 3 mm | 2 mm | 2.1 mm | 0.1 mm | 0 mm | 1.1 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0.2 mm | 0.7 mm | 0 mm | 0.4 mm | 0.2 mm | 0.4 mm | 0.4 mm | 0 mm | 0 mm | 0 mm | |||
| chance for rain | 39% | 52% | 85% | 88% | 84% | 84% | 49% | 48% | 79% | 43% | 46% | 48% | 47% | 43% | 56% | 77% | 47% | 69% | 56% | 68% | 65% | 44% | 41% | 39% | |||
| chance for snow | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | |||
| humidity | 89% | 95% | 97% | 98% | 99% | 99% | 99% | 99% | 99% | 100% | 99% | 99% | 98% | 98% | 97% | 99% | 99% | 99% | 99% | 99% | 98% | 97% | 96% | 96% | |||
| dew point | 13.7° | 14° | 13.8° | 13.8° | 13.8° | 14° | 14.2° | 14.5° | 14.8° | 15.1° | 15.7° | 16° | 16.5° | 16.6° | 17.2° | 17.1° | 17.1° | 17.1° | 17.1° | 17.1° | 17.2° | 17.1° | 15.6° | 14.8° | |||
| visibility | 10 km | 2 km | 9 km | 7 km | 9 km | 9 km | 0 km | 0 km | 9 km | 0 km | 0 km | 0 km | 0 km | 0 km | 2 km | 2 km | 0 km | 2 km | 2 km | 2 km | 2 km | 0 km | 2 km | 2 km | |||
| cloud cover | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 0.1 | 0.3 | 0.5 | 0.5 | 0.2 | 0.3 | 0.1 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 |
Weather in Williamsport tomorrow
The weather in Williamsport tomorrow is expected to be much cooler than usual, with a forecast temperature of 18 °F, compared to an average of 23.5 °F for September 20th in recent years.
temperatures
18 °F
rain
13.5 mm
wind
8 km/h
UV
Low
Williamsport daylight overview ☀️
Tomorrow in Williamsport, The sun rises at 06:53 and sets at 19:09, giving a total daylight duration of 12 hours and 16 minutes.
Quick links
More Williamsport weather pages
What to wear tomorrow in Williamsport? clothing recommendations
Stay comfortably stylish - your tailored guide for tomorrow's Williamsport forecast.
Long-sleeve shirt
Long pant
Closed-toe shoes
Light jacket
Umbrella
The weather tomorrow in Williamsport - FAQ
What is the maximum temperature for tomorrow in Williamsport?
The maximum temperature for tomorrow in Williamsport is expected to be 18° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain tomorrow in Williamsport? 🌧️
Yes, there is a 96% chance of rain in Williamsport tomorrow. We recommend carrying an umbrella or rain gear to stay dry.
What will be the wind speed tomorrow in Williamsport? 🌀
The wind in Williamsport is expected to blow at 8 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in Williamsport tomorrow?
Given the forecast of 18 °F with a 96% chance of rain, we advise checking our "What to wear tomorrow" section for recommendations. There, you will find tailored advice to help you stay comfortable and prepared for the weather conditions in Williamsport tomorrow.
What is the sunrise and sunset time for Williamsport tomorrow?
The sun is expected to rise at 06:53 and set at 19:09 in Williamsport.
How accurate is the weather forecast Williamsport tomorrow? ✅
Williamsport weather forecast for tomorrow is based on the most current and sophisticated meteorological models available. While we strive for accuracy, weather conditions can change unexpectedly, so we recommend checking for updates regularly.
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