10-day forecast for Coster, IA: 36° to 72°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
68°
Best day: Tuesday, October 20
67° · 1.32 in
Worst day: Thursday, October 22
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 1467° / 48°0
Morning49°feels 46°
Afternoon66°feels 65°
Evening58°feels 57°
Overnight55°feels 53°
67 °
Coster, Wednesday, 14 October
Clear. High 67°, low 48°.
Pressure30.15 inHg
Wind7.7 mph NE
Humidity61%
Visibility6.2 mi
Dew point47°
Thu, 1560° / 52°0.76
Morning55°feels 55°
Afternoon59°feels 58°
Evening54°feels 53°
Overnight56°feels 55°
60 °
Coster, Thursday, 15 October
Heavy rain. High 60°, low 52°.
Pressure30.03 inHg
Wind9.7 mph E
Humidity78%
Visibility5.1 mi
Dew point53°
Fri, 1654° / 44°0
Morning46°feels 39°
Afternoon52°feels 49°
Evening47°feels 43°
Overnight47°feels 41°
54 °
Coster, Friday, 16 October
Overcast. High 54°, low 44°.
Pressure30.45 inHg
Wind21.9 mph N
Humidity54%
Visibility6.2 mi
Dew point34°
Sat, 1759° / 36°0
Morning42°feels 38°
Afternoon56°feels 53°
Evening52°feels 49°
Overnight39°feels 39°
59 °
Coster, Saturday, 17 October
Clear. High 59°, low 36°.
Pressure30.42 inHg
Wind14.3 mph SW
Humidity42%
Visibility—
Dew point31°
Sun, 1862° / 46°0
Morning50°feels 46°
Afternoon59°feels 57°
Evening56°feels 55°
Overnight53°feels 50°
62 °
Coster, Sunday, 18 October
Overcast. High 62°, low 46°.
Pressure30.09 inHg
Wind14.2 mph S
Humidity52%
Visibility—
Dew point40°
Mon, 1953° / 50°0.02
Morning52°feels 51°
Afternoon51°feels 51°
Evening51°feels 49°
Overnight50°feels 47°
53 °
Coster, Monday, 19 October
Light rain. High 53°, low 50°.
Pressure30.18 inHg
Wind9.9 mph S
Humidity89%
Visibility—
Dew point49°
Tue, 2068° / 47°0
Morning53°feels 50°
Afternoon64°feels 64°
Evening61°feels 60°
Overnight57°feels 56°
68 °
Coster, Tuesday, 20 October
Clear. High 68°, low 47°.
Pressure30.12 inHg
Wind14 mph S
Humidity65%
Visibility—
Dew point51°
Wed, 2171° / 59°0.44
Morning62°feels 62°
Afternoon68°feels 68°
Evening67°feels 67°
Overnight64°feels 64°
71 °
Coster, Wednesday, 21 October
Rain. High 71°, low 59°.
Pressure30.06 inHg
Wind17 mph S
Humidity81%
Visibility—
Dew point61°
Thu, 2267° / 64°1.32
Morning64°feels 65°
Afternoon65°feels 65°
Evening65°feels 66°
Overnight66°feels 67°
67 °
Coster, Thursday, 22 October
Heavy rain. High 67°, low 64°.
Pressure29.83 inHg
Wind22.5 mph S
Humidity95%
Visibility—
Dew point63°
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.