10-day forecast for Coster, IA: 34° to 68°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
68°
Best day: Wednesday, October 21
56° · 0.94 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 1650° / 40°0
Morning45°feels 38°
Afternoon48°feels 41°
Evening45°feels 40°
Overnight43°feels 35°
50 °
Coster, Friday, 16 October
Light rain. High 50°, low 40°.
Pressure30.36 inHg
Wind21.9 mph N
Humidity57%
Visibility6.2 mi
Dew point34°
Sat, 1757° / 34°0
Morning35°feels 31°
Afternoon57°feels 54°
Evening48°feels 44°
Overnight38°feels 35°
57 °
Coster, Saturday, 17 October
Clear. High 57°, low 34°.
Pressure30.50 inHg
Wind11.5 mph SW
Humidity44%
Visibility6.2 mi
Dew point31°
Sun, 1862° / 42°0
Morning42°feels 36°
Afternoon60°feels 58°
Evening54°feels 52°
Overnight44°feels 39°
62 °
Coster, Sunday, 18 October
Clear. High 62°, low 42°.
Pressure30.33 inHg
Wind14.8 mph S
Humidity54%
Visibility6.2 mi
Dew point40°
Mon, 1963° / 44°0
Morning49°feels 46°
Afternoon60°feels 58°
Evening55°feels 53°
Overnight47°feels 44°
63 °
Coster, Monday, 19 October
Overcast. High 63°, low 44°.
Pressure30.30 inHg
Wind9.5 mph S
Humidity57%
Visibility—
Dew point44°
Tue, 2066° / 44°0
Morning50°feels 48°
Afternoon64°feels 62°
Evening57°feels 55°
Overnight52°feels 51°
66 °
Coster, Tuesday, 20 October
Clear. High 66°, low 44°.
Pressure30.27 inHg
Wind9.2 mph SE
Humidity48%
Visibility—
Dew point42°
Wed, 2168° / 49°0
Morning54°feels 51°
Afternoon64°feels 63°
Evening59°feels 58°
Overnight56°feels 55°
68 °
Coster, Wednesday, 21 October
Clear. High 68°, low 49°.
Pressure30.30 inHg
Wind12.8 mph S
Humidity54%
Visibility—
Dew point46°
Thu, 2263° / 56°0.39
Morning58°feels 57°
Afternoon60°feels 60°
Evening58°feels 57°
Overnight57°feels 56°
63 °
Coster, Thursday, 22 October
Rain. High 63°, low 56°.
Pressure30.15 inHg
Wind14.7 mph S
Humidity79%
Visibility—
Dew point54°
Fri, 2367° / 57°0.01
Morning60°feels 58°
Afternoon65°feels 64°
Evening65°feels 64°
Overnight63°feels 61°
67 °
Coster, Friday, 23 October
Light rain. High 67°, low 57°.
Pressure29.94 inHg
Wind22.5 mph S
Humidity52%
Visibility—
Dew point46°
Sat, 2460° / 48°0.01
Morning59°feels 58°
Afternoon59°feels 57°
Evening52°feels 49°
Overnight50°feels 47°
60 °
Coster, Saturday, 24 October
Light rain. High 60°, low 48°.
Pressure30.03 inHg
Wind22.2 mph S
Humidity55%
Visibility—
Dew point44°
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 Coster, 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.