Williamstown, Parkersburg Weather
Williamstown weather this week
Over the next 7 days in Williamstown, daytime highs range from 7°C to 14°C and night-time lows from 0°C to 4°C. The warmest afternoon is likely on Wednesday at 14°C, while the coolest night is expected tomorrow night at 0°C. Temperatures trend warmer through the week, rising by about 6°C.
Rain is most likely today, with roughly 1.6 mm forecast in total over the week.
Winds stay mostly light this week, peaking at about 17 km/h tomorrow. UV levels stay moderate or lower, peaking at 3. Average humidity is high at around 75%, which can make it feel muggy.
| Day | Conditions | High / Low | Rain chance | Rain | Max wind |
|---|---|---|---|---|---|
| Today (Friday) | Dense drizzle | 8° / 2° | 67% | 1.6 mm | 13 km/h |
| Tomorrow (Saturday) | Overcast | 7° / 0° | 5% | 0.0 mm | 17 km/h |
| Sunday | Overcast | 9° / 2° | 4% | 0.0 mm | 9 km/h |
| Monday | Overcast | 11° / 2° | 0% | 0.0 mm | 6 km/h |
| Tuesday | Partly cloudy | 13° / 2° | 0% | 0.0 mm | 4 km/h |
| Wednesday | Mainly clear | 14° / 2° | 0% | 0.0 mm | 6 km/h |
| Thursday | Overcast | 14° / 4° | 0% | 0.0 mm | 10 km/h |
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Today's outlook for Williamstown
At 23:00 local time it is 2°C in Williamstown under clear skies, feeling like 0°C. Today's forecast high is 8°C and the low is 2°C, and the day overall looks drizzly. Rain is likely today (67% chance, around 1.6 mm), so keep an umbrella handy. Winds are blowing at about 6 km/h from the west. Humidity is 90%.
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Climate of Williamstown: monthly averages
Based on 25 years of satellite and reanalysis data (2001-2025), August is usually the hottest month in Williamstown, with average daytime highs around 30°C. January is the coolest, when nights typically fall to about -6°C and frost is possible on the coldest nights. That is a wide yearly range of roughly 36°C, so the seasons feel very different from each other.
The area receives about 1090 mm of rain in a typical year. Most of it falls from May to July, and July is the wettest month at roughly 111 mm.
For outdoor plans and travel, August to October usually offer the most comfortable weather in Williamstown, with mild days and relatively little rain.
| Month | Avg high | Avg low | Rainfall | Humidity |
|---|---|---|---|---|
| Jan | 3° | -6° | 79 mm | 87% |
| Feb | 4° | -5° | 79 mm | 86% |
| Mar | 11° | -1° | 87 mm | 82% |
| Apr | 18° | 5° | 96 mm | 78% |
| May | 23° | 11° | 109 mm | 79% |
| Jun | 27° | 16° | 110 mm | 77% |
| Jul | 30° | 18° | 111 mm | 72% |
| Aug | 30° | 17° | 82 mm | 67% |
| Sep | 27° | 13° | 83 mm | 67% |
| Oct | 19° | 7° | 88 mm | 74% |
| Nov | 11° | 0° | 74 mm | 80% |
| Dec | 5° | -3° | 91 mm | 87% |
Source: NASA POWER (MERRA-2 reanalysis), averaged over the roughly 50 km grid area around Williamstown. Values describe typical conditions, not a forecast.
About Williamstown weather
Williamstown is a place in West Virginia's humid continental climate, shaped by the Appalachian terrain, located about 102 km north of Charleston. Williamstown gets warm summers (June–August), milder at higher elevations each year. Williamstown closes out the year with cold winters with regular mountain snow. This page shows live, auto-refreshing weather for Williamstown: current conditions, an hourly breakdown, a 16-day outlook, a date-lookup tool for any past or future date, and real-time air quality, sourced from Open-Meteo. Local timezone: America/New_York.
Frequently asked questions
Williamstown is about 102 km north of Charleston, in West Virginia.
Williamstown sees cold winters with regular mountain snow.
The live current conditions, hourly forecast and 16-day outlook above are pulled in real time for Williamstown's exact coordinates. No fixed schedule, the page updates whenever you load it.
August is usually the hottest month in Williamstown, with average daytime highs of about 30°C and nights around 17°C.
The coldest nights come in January, when the average low is about -6°C and daytime highs reach around 3°C. Frost is possible on clear, calm nights.
Williamstown receives about 1090 mm of rain in a typical year. July is the wettest month at roughly 111 mm, and the main rainy period is May to July.
August to October usually offer the most comfortable weather in Williamstown, with mild daytime temperatures and little rain.
In November Williamstown typically sees daytime highs near 11°C and lows near 0°C, with about 74 mm of rain over the month and average humidity around 80%. Check the live forecast above for this week's actual conditions.
Up to 16 days ahead using the extended forecast and date picker above; further-out or historical dates use the same date lookup tool.
The current temperature for Williamstown updates automatically at the top of this page — scroll to the hourly strip below to see how it's expected to change over the day.
Williamstown's day-to-day weather follows the broader pattern of West Virginia described above. See the hourly weather forecast or the air quality index for more detail.