Portland Weather in January
Average highs run from 65°F on January 1 to 67°F on January 31, and lows from 47°F to 48°F. Normal precipitation for the month is 1.39 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
- 66°F
- Average low
- 47°F
- Precipitation
- 1.39 in
- Record high
- 81°FJan 2, 2017
- Record low
- 24°FJan 16, 2024
- Chance of a freeze
- 55%
- Daylight
- 10 h 25 min to 10 h 52 min
- Cloud cover
- 61%
- Humidity
- 76%
- Dew point
- 49°F
- Wind
- 10.7 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Jan 1 | 65°F | 47°F | 75°F 1996 | 39°F 2001 | 25% | 0% |
| Jan 2 | 65°F | 46°F | 81°F 2017 | 37°F 2001 | 25% | 0% |
| Jan 3 | 65°F | 46°F | 79°F 2017 | 35°F 2001 | 25% | 0% |
| Jan 4 | 65°F | 46°F | 75°F 2006 | 36°F 2001 | 25% | 0% |
| Jan 5 | 65°F | 46°F | 73°F 2003 | 34°F 2017 | 24% | 0% |
| Jan 6 | 65°F | 46°F | 73°F 1989 | 34°F 2014 | 24% | 0% |
| Jan 7 | 65°F | 46°F | 73°F 2024 | 27°F 2017 | 24% | 0% |
| Jan 8 | 65°F | 46°F | 73°F 2008 | 30°F 2010 | 25% | 0% |
| Jan 9 | 65°F | 46°F | 76°F 2012 | 28°F 2010 | 25% | 0% |
| Jan 10 | 65°F | 46°F | 74°F 2008 | 31°F 1988 | 25% | 0% |
| Jan 11 | 65°F | 46°F | 72°F 2017 | 37°F 1986 | 25% | 0% |
| Jan 12 | 65°F | 46°F | 73°F 1996 | 32°F 1997 | 25% | 0% |
| Jan 13 | 65°F | 46°F | 75°F 2000 | 31°F 1997 | 25% | 0% |
| Jan 14 | 65°F | 46°F | 72°F 1995 | 32°F 1997 | 25% | 0% |
| Jan 15 | 65°F | 46°F | 74°F 2016 | 28°F 2024 | 25% | 0% |
| Jan 16 | 65°F | 47°F | 74°F 2000 | 24°F 2024 | 25% | 0% |
| Jan 17 | 65°F | 47°F | 76°F 2000 | 24°F 2024 | 25% | 0% |
| Jan 18 | 65°F | 47°F | 73°F 1998 | 28°F 2024 | 25% | 0% |
| Jan 19 | 65°F | 47°F | 80°F 2009 | 34°F 1996 | 25% | 0% |
| Jan 20 | 65°F | 47°F | 73°F 2012 | 35°F 2024 | 25% | 0% |
| Jan 21 | 66°F | 47°F | 76°F 2017 | 35°F 2011 | 25% | 0% |
| Jan 22 | 66°F | 47°F | 75°F 2017 | 37°F 1987 | 25% | 0% |
| Jan 23 | 66°F | 47°F | 73°F 2000 | 36°F 2005 | 25% | 0% |
| Jan 24 | 66°F | 47°F | 74°F 2017 | 32°F 2014 | 25% | 0% |
| Jan 25 | 66°F | 47°F | 76°F 2004 | 35°F 2014 | 25% | 0% |
| Jan 26 | 66°F | 48°F | 75°F 1996 | 39°F 1993 | 25% | 0% |
| Jan 27 | 66°F | 48°F | 77°F 2015 | 42°F 1996 | 25% | 0% |
| Jan 28 | 67°F | 48°F | 76°F 1995 | 35°F 2014 | 25% | 0% |
| Jan 29 | 67°F | 48°F | 76°F 2008 | 37°F 2014 | 25% | 0% |
| Jan 30 | 67°F | 48°F | 74°F 2006 | 37°F 2010 | 24% | 0% |
| Jan 31 | 67°F | 48°F | 74°F 2006 | 37°F 2010 | 24% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CST).
- January 1
- sunrise 7:21 AM, sunset 5:46 PM
- January 31
- sunrise 7:17 AM, sunset 6:09 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00412011 (Corpus Christi NWS), public domain. Records: NOAA GHCN-Daily, station USC00417170, 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.