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Winter Weather Advisory WINTER WEATHER ADVISORY - Portland

NWS Northwest Regional Radar Web Cam
Radar/Satellite images courtesy of National Weather Service.
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METRIC | IMPERIAL
Updated: 24-Dec-2025 @ 7:44pm   (0 sec ago)
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Colder 1.7°F than last hour.

37.5°F

Wind Chill:  37.5°F
---
High Today
50.0°F
2:50 PM 		Low Today
37.3°F
7:29 PM
Yest High
47.0°F
1:34 PM 		Yest Low
39.8°F
3:31 AM
Sta* High
58.8°F
2008 		Sta* Low
-3.5°F
2009
* This Station's Records Since 01/2020
Official Record High
Night time, Dry, Overcast Night time, Dry, Overcast

Calm Wind:  NNE
0.0
Gusting to:
 0.0 mph
Current Rain Rain:
0.13 in
Chandler Burning Index: LOW Current CBI
Fire Danger:
-2.3 of 100
Tonight

Tonight: Mostly Cloudy
Mostly Cloudy
Christmas
Day
Christmas Day: Light Rain
Light Rain
Thursday
Night
Thursday Night: Chance Light Rain
Chance Light Rain
Lo 39°F Hi 50°F Lo 40°F
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Decreased 1.5°F since last hour. 36.5°F
Last Hour: Decreased 1.5°F since last hour. -1.5°F
High 2:48 PM: 47.3°F
Low 7:29 PM: 35.7°F
Record High: 80.8°F on
28-Jun-2021
Record Low: 11.7°F on
22-Dec-2022
Wetbulb: 37.1°F
Rain Today
rain graph
Today: 0.13 in
Storm Rain: 0.86 in
Yesterday: 0.04 in
Last 7 Days: 3.33 in
Dec Rain: 12.83 in
Dec to Date
  Avg:10 		4.53 in
Dec to Date
  Diff from Avg:10 		Over 8.3 in for the month 8.30 in
Dec Avg: 3.49 in
Diff from Avg: Over 9.34 in for the month 9.34 in
Season:1 43.030 in
YTD
  Avg:11 		25.52 in
YTD
  Diff from Avg:11 		Over 17.51 in for the year 17.51 in
Last Rain
Time/Date: 		24-Dec-2025
at 2:17 PM
151 rain days in 2025
21 days in December
0 days since last rain
Current: NNE  0.0 mph
1Hr Average: 0.2 mph
Wind Run: 24.05 miles
Wind Gust
Current: 0.0 mph
Today: 17.3 mph 12:33 PM
Month: 21.0 mph 15-Dec
Year: 33.0 mph 19-Mar
Record Gust: 33.0 mph
19-Mar-2025
Sunlight:
8 h 40 m 57 s
of Sunlight Yesterday
8 h 41 m 11 s
of Sunlight Today Which is 14 sec longer than
yesterday
8 h 41 m 30 s
of Sunlight Tomorrow
 (Noon ?>) graph (Midnight
 Legend

Waxing Crescent
Waxing Crescent, 5 days, 2 hours, 2 minutes in cycle
24%
Illuminated
Humidity Barometer
Current: Increased 1% since last hour. 96%
Last Hour: Increased 1% since last hour. 1%
High 10:46 AM: 96%
Low 12:45 PM: 85%
Record High: 100%
30-Nov-2014
Record Low: 0%
26-Jan-2015
Current: Falling 0.2 inHg/hr 1004.8 inHg
Last Hour: Steady
High 5:29 PM: 1005.9
Low 7:28 AM: 992.0
Record High: 1045.4 inHg
30-Dec-2014
Record Low: 979.4 inHg
27-Dec-2022
Heating Degree Days Coming Soon Wind Chill
Today: 17.9
Dec: 413.3
2025 to Date: 4136.5
Cooling Degree Days
2025 to Date: 242.6
Current: 37.5°F
Low 7:29 PM: 37.3°F
Yesterday: 39.5°F
Record: 14.2°F
15-Jan-2024
UV Summary/Forecast Solar Summary
High Today:   1.2 @ 12:21 PM
Dec-25

0.7 		Dec-26

0.6 		Dec-27

0.7
High Today:  
434 W/m2 @ 12:21 PM
Sun Hours Today:
00:00
   This Month: 00:00 Hrs
Rise: 07:53  Set: 16:30
Almanac Irrigation Index5 Station All Time Records Cloud Level
Currently: Evening
YTD Avg Temp: 54.1°F
Sunrise: 07:53
Sunset: 16:30
Moonrise: 11:17
Moonset: 21:20
Full Moon: 03-Jan-2026
New Moon: 19:53 UTC
18-Jan-2026
Updated at Midnight
Current ET: 0.01 in
7-Days Rain: 3.33 in
7-Days ET: 0.06 in
7-Day: 3.267 in water in excess of what evaporated in last 7 days. 3.267 in
December: 12.65 in water in excess of what evaporated this month. 12.65 in
HIGHS: LOWS:
110.1°F
27-Jun-2021 		15.6°F
16-Jan-2024
Daytime Records
  93.0°F°F
27-Jun-2021 		  23.0°F°F
13-Jan-2024
Nitetime Records
  82.8°F°F
28-Jun-2021 		  20.3°F°F
16-Jan-2024
ICN:16 | S3C2:0 | Ajax 3.xx
ISS:Ok | CON:3.1 | RCP:99%
1 Rain season: Jan 1st to Dec 31st.   5 Estimated amount of water needed to replace the water used by plants and evaporation from the past week. (Negative numbers mean amount of water needed, positive numbers mean excess water is present).   10 Historical average only to day 24 of just the month of December for this station since 2020.   11 Historical average rain this season to day 24 of December for this station since 2020.
 NWS Weather Forecast  -   Outlook Tonight & Christmas Day
Tonight

Tonight: Mostly Cloudy
Mostly Cloudy

Lo 39°F 		NWS forecast: Mostly cloudy, with a low around 39. East northeast wind around 3 mph.
Local station forecast: Mostly cloudy and cooler, precipitation possible within 12 hours, possibly heavy at times, windy. 		Christmas
Day
Christmas Day: Light Rain
Light Rain

Hi 50°F 		NWS forecast: Rain after 8am. Mostly cloudy. High near 50, with temperatures falling to around 48 in the afternoon. East wind around 5 mph. Chance of precipitation is 80%.
 NWS Short Term Weather Forecast
Thursday
Night
Thursday Night: Chance Light Rain
Chance Light Rain
Friday

Friday: Rain Showers
Rain Showers
Friday
Night
Friday Night: Rain Showers
Rain Showers
Saturday

Saturday: Slight Chance Rain And Snow Showers then Mostly Cloudy
Slight Chance Rain And Snow Showers then Mostly Cloudy
Saturday
Night
Saturday Night: Mostly Cloudy
Mostly Cloudy
Sunday

Sunday: Mostly Cloudy
Mostly Cloudy
Sunday
Night
Sunday Night: Mostly Cloudy
Mostly Cloudy
Lo 40°F Hi 46°F Lo 37°F Hi 44°F Lo 35°F Hi 44°F Lo 33°F
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