10-day forecast for Williamstown, IA: 25° to 61°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
55°
Best day: Friday, November 20
55° · 0.59 in
Worst day: Saturday, November 21
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 1339° / 27°0
Morning32°feels 24°
Afternoon39°feels 33°
Evening29°feels 24°
Overnight31°feels 24°
39 °
Williamstown, Friday, 13 November
Overcast. High 39°, low 27°.
Pressure30.21 inHg
Wind9.6 mph N
Humidity71%
Visibility6.2 mi
Dew point21°
Sat, 1440° / 25°0
Morning28°feels 23°
Afternoon40°feels 40°
Evening32°feels 32°
Overnight26°feels 21°
40 °
Williamstown, Saturday, 14 November
Clear. High 40°, low 25°.
Pressure30.36 inHg
Wind1.7 mph SW
Humidity69%
Visibility6.2 mi
Dew point24°
Sun, 1544° / 27°0
Morning29°feels 25°
Afternoon44°feels 41°
Evening33°feels 28°
Overnight28°feels 28°
44 °
Williamstown, Sunday, 15 November
Clear. High 44°, low 27°.
Pressure30.47 inHg
Wind5.5 mph SW
Humidity62%
Visibility6.2 mi
Dew point27°
Mon, 1648° / 29°0
Morning33°feels 27°
Afternoon47°feels 43°
Evening39°feels 33°
Overnight30°feels 24°
48 °
Williamstown, Monday, 16 November
Clear. High 48°, low 29°.
Pressure30.45 inHg
Wind9.6 mph SW
Humidity58%
Visibility6.2 mi
Dew point32°
Tue, 1752° / 33°0
Morning38°feels 32°
Afternoon49°feels 45°
Evening45°feels 39°
Overnight41°feels 35°
52 °
Williamstown, Tuesday, 17 November
Partly cloudy. High 52°, low 33°.
Pressure30.39 inHg
Wind12.1 mph S
Humidity58%
Visibility—
Dew point33°
Wed, 1855° / 42°0
Morning47°feels 42°
Afternoon51°feels 49°
Evening54°feels 51°
Overnight53°feels 50°
55 °
Williamstown, Wednesday, 18 November
Light rain. High 55°, low 42°.
Pressure30.09 inHg
Wind20.5 mph S
Humidity65%
Visibility—
Dew point39°
Thu, 1961° / 49°0.09
Morning54°feels 53°
Afternoon59°feels 58°
Evening52°feels 49°
Overnight50°feels 47°
61 °
Williamstown, Thursday, 19 November
Light rain. High 61°, low 49°.
Pressure29.91 inHg
Wind21.7 mph S
Humidity64%
Visibility—
Dew point47°
Fri, 2055° / 46°0
Morning49°feels 48°
Afternoon54°feels 52°
Evening48°feels 45°
Overnight46°feels 43°
55 °
Williamstown, Friday, 20 November
Overcast. High 55°, low 46°.
Pressure30.18 inHg
Wind8 mph NE
Humidity52%
Visibility—
Dew point37°
Sat, 2155° / 42°0.59
Morning43°feels 35°
Afternoon42°feels 35°
Evening46°feels 41°
Overnight52°feels 51°
55 °
Williamstown, Saturday, 21 November
Rain. High 55°, low 42°.
Pressure30.09 inHg
Wind16.5 mph E
Humidity93%
Visibility—
Dew point40°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Williamstown, IA around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.