Marathon Weather in January
Average highs run from 76°F on January 1 to 77°F on January 31, and lows from 65°F to 65°F. Normal precipitation for the month is 1.64 in over about 8 wet days.
January day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
January at a glance
- Average high
- 76°F
- Average low
- 64°F
- Precipitation
- 1.64 in
- Record high
- 88°FJan 3, 2017
- Record low
- 39°FJan 11, 2010
- Chance of a freeze
- 0%
- Daylight
- 10 h 38 min to 11 h 02 min
- Cloud cover
- 51%
- Humidity
- 78%
- Dew point
- 65°F
- Wind
- 13.9 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Jan 1 | 76°F | 65°F | 86°F 2008 | 51°F 2001 | 26% |
| Jan 2 | 76°F | 65°F | 85°F 2014 | 49°F 2008 | 26% |
| Jan 3 | 76°F | 65°F | 88°F 2017 | 43°F 2008 | 26% |
| Jan 4 | 76°F | 65°F | 87°F 2019 | 49°F 2002 | 26% |
| Jan 5 | 76°F | 65°F | 84°F 2023 | 47°F 2001 | 26% |
| Jan 6 | 76°F | 64°F | 84°F 2013 | 46°F 2010 | 25% |
| Jan 7 | 76°F | 64°F | 87°F 2017 | 47°F 2010 | 25% |
| Jan 8 | 76°F | 64°F | 83°F 2013 | 50°F 2002 | 25% |
| Jan 9 | 76°F | 64°F | 83°F 2013 | 45°F 2010 | 25% |
| Jan 10 | 76°F | 64°F | 84°F 2016 | 41°F 2010 | 25% |
| Jan 11 | 76°F | 64°F | 84°F 2008 | 39°F 2010 | 25% |
| Jan 12 | 76°F | 64°F | 84°F 2020 | 45°F 2010 | 25% |
| Jan 13 | 76°F | 64°F | 85°F 2019 | 49°F 2010 | 25% |
| Jan 14 | 76°F | 64°F | 84°F 2014 | 52°F 2010 | 25% |
| Jan 15 | 76°F | 64°F | 84°F 2017 | 50°F 2023 | 25% |
| Jan 16 | 76°F | 64°F | 84°F 2017 | 51°F 2023 | 25% |
| Jan 17 | 76°F | 64°F | 84°F 2017 | 52°F 2014 | 25% |
| Jan 18 | 76°F | 64°F | 85°F 2017 | 49°F 2003 | 25% |
| Jan 19 | 76°F | 64°F | 84°F 2008 | 50°F 2003 | 24% |
| Jan 20 | 76°F | 64°F | 85°F 2017 | 52°F 2003 | 24% |
| Jan 21 | 76°F | 64°F | 86°F 2017 | 49°F 2009 | 24% |
| Jan 22 | 76°F | 64°F | 86°F 2017 | 48°F 2020 | 24% |
| Jan 23 | 76°F | 64°F | 86°F 2023 | 50°F 2011 | 24% |
| Jan 24 | 76°F | 64°F | 85°F 2019 | 41°F 2003 | 24% |
| Jan 25 | 76°F | 64°F | 84°F 2023 | 49°F 2003 | 23% |
| Jan 26 | 76°F | 64°F | 85°F 2017 | 54°F 2001 | 23% |
| Jan 27 | 76°F | 64°F | 85°F 2024 | 49°F 2000 | 23% |
| Jan 28 | 76°F | 65°F | 84°F 2024 | 54°F 2003 | 23% |
| Jan 29 | 76°F | 65°F | 83°F 2014 | 53°F 2026 | 23% |
| Jan 30 | 77°F | 65°F | 84°F 2006 | 46°F 2022 | 23% |
| Jan 31 | 77°F | 65°F | 85°F 2023 | 52°F 2009 | 22% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (EST).
- January 1
- sunrise 7:09 AM, sunset 5:47 PM
- January 31
- sunrise 7:07 AM, sunset 6:09 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00012896 (Marathon AP), public domain. Records: NOAA GHCN-Daily, station USW00012896, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.