10-day forecast for Marathon, IA: 27° to 71°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
71°
Best day: Thursday, October 22
55° · 0.23 in
Worst day: Tuesday, October 27
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 2067° / 43°0
Morning43°feels 40°
Afternoon66°feels 65°
Evening55°feels 53°
Overnight46°feels 43°
67 °
Marathon, Tuesday, 20 October
Clear. High 67°, low 43°.
Pressure30.30 inHg
Wind8.7 mph S
Humidity59%
Visibility6.2 mi
Dew point46°
Wed, 2168° / 48°0
Morning48°feels 46°
Afternoon67°feels 66°
Evening58°feels 58°
Overnight51°feels 50°
68 °
Marathon, Wednesday, 21 October
Clear. High 68°, low 48°.
Pressure30.24 inHg
Wind5.3 mph S
Humidity64%
Visibility6.2 mi
Dew point51°
Thu, 2271° / 51°0
Morning51°feels 50°
Afternoon71°feels 71°
Evening62°feels 61°
Overnight52°feels 52°
71 °
Marathon, Thursday, 22 October
Clear. High 71°, low 51°.
Pressure30.24 inHg
Wind7.8 mph S
Humidity61%
Visibility6.2 mi
Dew point54°
Fri, 2369° / 53°0.02
Morning54°feels 53°
Afternoon67°feels 66°
Evening64°feels 62°
Overnight55°feels 54°
69 °
Marathon, Friday, 23 October
Light rain. High 69°, low 53°.
Pressure30.09 inHg
Wind17.7 mph SE
Humidity54%
Visibility—
Dew point48°
Sat, 2471° / 59°0.03
Morning62°feels 61°
Afternoon68°feels 67°
Evening65°feels 64°
Overnight62°feels 61°
71 °
Marathon, Saturday, 24 October
Light rain. High 71°, low 59°.
Pressure30.12 inHg
Wind16.3 mph S
Humidity51%
Visibility—
Dew point48°
Sun, 2562° / 49°0.02
Morning52°feels 49°
Afternoon58°feels 55°
Evening53°feels 50°
Overnight50°feels 47°
62 °
Marathon, Sunday, 25 October
Light rain. High 62°, low 49°.
Pressure30.36 inHg
Wind9.4 mph NW
Humidity23%
Visibility—
Dew point20°
Mon, 2658° / 45°0.06
Morning48°feels 45°
Afternoon57°feels 56°
Evening57°feels 57°
Overnight55°feels 54°
58 °
Marathon, Monday, 26 October
Light rain. High 58°, low 45°.
Pressure30.09 inHg
Wind11.6 mph S
Humidity59%
Visibility—
Dew point42°
Tue, 2755° / 34°0.23
Morning41°feels 32°
Afternoon41°feels 33°
Evening38°feels 29°
Overnight35°feels 26°
55 °
Marathon, Tuesday, 27 October
Light rain. High 55°, low 34°.
Pressure30.27 inHg
Wind19.5 mph N
Humidity42%
Visibility—
Dew point20°
Wed, 2843° / 27°0
Morning31°feels 23°
Afternoon40°feels 33°
Evening36°feels 31°
Overnight33°feels 27°
43 °
Marathon, Wednesday, 28 October
Clear. High 43°, low 27°.
Pressure30.42 inHg
Wind12.1 mph NW
Humidity29%
Visibility—
Dew point9°
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 Marathon, 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.