10-day forecast for Williamstown, IA: 31° to 63°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
61°
Best day: Monday, November 9
63° · 0.93 in
Worst day: Tuesday, November 3
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 0459° / 47°0.04
Morning52°feels 51°
Afternoon52°feels 50°
Evening48°feels 43°
Overnight56°feels 56°
59 °
Williamstown, Wednesday, 4 November
Light rain. High 59°, low 47°.
Pressure29.59 inHg
Wind14.3 mph W
Humidity74%
Visibility6.2 mi
Dew point44°
Thu, 0552° / 46°0.04
Morning50°feels 45°
Afternoon52°feels 50°
Evening48°feels 44°
Overnight47°feels 42°
52 °
Williamstown, Thursday, 5 November
Light rain. High 52°, low 46°.
Pressure29.85 inHg
Wind14.2 mph N
Humidity71%
Visibility6.2 mi
Dew point44°
Fri, 0645° / 35°0
Morning40°feels 35°
Afternoon45°feels 42°
Evening36°feels 33°
Overnight43°feels 37°
45 °
Williamstown, Friday, 6 November
Clear. High 45°, low 35°.
Pressure30.27 inHg
Wind5.7 mph N
Humidity59%
Visibility6.2 mi
Dew point25°
Sat, 0751° / 31°0
Morning36°feels 33°
Afternoon50°feels 47°
Evening42°feels 38°
Overnight31°feels 31°
51 °
Williamstown, Saturday, 7 November
Clear. High 51°, low 31°.
Pressure30.18 inHg
Wind8.1 mph SW
Humidity53%
Visibility6.2 mi
Dew point32°
Sun, 0857° / 41°0
Morning46°feels 41°
Afternoon54°feels 52°
Evening47°feels 43°
Overnight42°feels 39°
57 °
Williamstown, Sunday, 8 November
Mostly clear. High 57°, low 41°.
Pressure30.09 inHg
Wind12.6 mph NW
Humidity44%
Visibility—
Dew point32°
Mon, 0961° / 38°0
Morning44°feels 41°
Afternoon58°feels 56°
Evening51°feels 50°
Overnight47°feels 44°
61 °
Williamstown, Monday, 9 November
Mostly clear. High 61°, low 38°.
Pressure30.00 inHg
Wind11.5 mph SW
Humidity55%
Visibility—
Dew point40°
Tue, 1056° / 43°0
Morning46°feels 42°
Afternoon54°feels 51°
Evening46°feels 44°
Overnight43°feels 40°
56 °
Williamstown, Tuesday, 10 November
Overcast. High 56°, low 43°.
Pressure30.15 inHg
Wind8.2 mph N
Humidity40%
Visibility—
Dew point29°
Wed, 1149° / 40°0
Morning43°feels 40°
Afternoon48°feels 46°
Evening44°feels 42°
Overnight41°feels 37°
49 °
Williamstown, Wednesday, 11 November
Overcast. High 49°, low 40°.
Pressure30.21 inHg
Wind5.6 mph E
Humidity44%
Visibility—
Dew point27°
Thu, 1251° / 36°0
Morning40°feels 38°
Afternoon49°feels 45°
Evening44°feels 40°
Overnight42°feels 39°
51 °
Williamstown, Thursday, 12 November
Mostly clear. High 51°, low 36°.
Pressure30.09 inHg
Wind7.7 mph SW
Humidity49%
Visibility—
Dew point29°
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.