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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: 25-Dec-2025 @ 2:07am   (0 sec ago)
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Warmer 0.1°F than last hour.

41.8°F

---
High Today
42.2°F
1:37 AM 		Low Today
40.5°F
12:00 AM
Yest High
50.0°F
2:50 PM 		Yest Low
37.1°F
10:37 PM
Sta* High
56.7°F
2015 		Sta* Low
-5.6°F
2009
* This Station's Records Since 01/2020
Official Record High
Night time, Dry, Overcast Night time, Dry, Overcast

Wind from E Wind:  E
0.9
Gusting to:
 2.0 mph
Current Rain Rain:
0.00 in
Chandler Burning Index: LOW Current CBI
Fire Danger:
-1.8 of 100
Overnight

Overnight: Chance Light Rain
Chance Light Rain
Christmas
Day
Christmas Day: Light Rain
Light Rain
Thursday
Night
Thursday Night: Mostly Cloudy then Chance Light Rain
Mostly Cloudy then Chance Light Rain
Lo 39°F Hi 51°F Lo 40°F
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Decreased 0.9°F since last hour. 39.1°F
Last Hour: Decreased 0.9°F since last hour. -0.9°F
High 12:40 AM: 40.1°F
Low 2:06 AM: 39.1°F
Record High: 80.8°F on
28-Jun-2021
Record Low: 11.7°F on
22-Dec-2022
Wetbulb: 40.7°F
Rain Today
rain graph
Today: 0.00 in
Storm Rain: 0.87 in
Yesterday: 0.14 in
Last 7 Days: 3.13 in
Dec Rain: 12.84 in
Dec to Date
  Avg:10 		4.90 in
Dec to Date
  Diff from Avg:10 		Over 7.94 in for the month 7.94 in
Dec Avg: 3.49 in
Diff from Avg: Over 9.35 in for the month 9.35 in
Season:1 43.040 in
YTD
  Avg:11 		25.89 in
YTD
  Diff from Avg:11 		Over 17.15 in for the year 17.15 in
Last Rain
Time/Date: 		24-Dec-2025
at 11:04 PM
152 rain days in 2025
21 days in December
0 days since last rain
Current: E  0.9 mph
1Hr Average: 4.3 mph
Wind Run: 7.63 miles
Wind Gust
Current: 2.0 mph
Today: 10.4 mph 1:14 AM
Month: 21.0 mph 15-Dec
Year: 33.0 mph 19-Mar
Record Gust: 33.0 mph
19-Mar-2025
Sunlight:
8 h 41 m 11 s
of Sunlight Yesterday
8 h 41 m 30 s
of Sunlight Today Which is 19 sec longer than
yesterday
8 h 41 m 54 s
of Sunlight Tomorrow
 (Noon ?>) graph (Midnight
 Legend

Waxing Crescent
Waxing Crescent, 5 days, 8 hours, 24 minutes in cycle
27%
Illuminated
Humidity Barometer
Current: Decreased 3% since last hour. 90%
Last Hour: Decreased 3% since last hour. 3%
High 12:00 AM: 97%
Low 1:35 AM: 90%
Record High: 100%
30-Nov-2014
Record Low: 0%
26-Jan-2015
Current: Rising 0.1 inHg/hr 1001.3 inHg
Last Hour: Steady
High 12:00 AM: 1002.1
Low 1:21 AM: 1001.2
Record High: 1045.4 inHg
30-Dec-2014
Record Low: 979.4 inHg
27-Dec-2022
Heating Degree Days Coming Soon Wind Chill
Today: 1.9
Dec: 419.7
2025 to Date: 4142.8
Cooling Degree Days
2025 to Date: 242.6
Current: 41.8°F
Low 1:08 AM: 37.3°F
Yesterday: 36.5°F
Record: 14.2°F
15-Jan-2024
UV Summary/Forecast Solar Summary
High Yest:   1.2 @ 12:21 PM
Dec-25

0.6 		Dec-26

0.6 		Dec-27

0.7
High Yest:   434.0 @ 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: Night
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: 3.13 in
7-Days ET: 0.05 in
7-Day: 3.079 in water in excess of what evaporated in last 7 days. 3.079 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:13 | S3C2:0 | Ajax 3.xx
ISS:Ok | CON:3.2 | 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 25 of just the month of December for this station since 2020.   11 Historical average rain this season to day 25 of December for this station since 2020.
 NWS Weather Forecast  -   Outlook Overnight & Christmas Day
Overnight

Overnight: Chance Light Rain
Chance Light Rain

Lo 39°F 		NWS forecast: Patchy fog before 4am, then a chance of rain. Mostly cloudy, with a low around 39. Northeast wind around 3 mph. Chance of precipitation is 30%.
Local station forecast: Mostly cloudy and cooler, precipitation likely, windy with possible wind shift to the w, nw, or n. 		Christmas
Day
Christmas Day: Light Rain
Light Rain

Hi 51°F 		NWS forecast: Rain. Mostly cloudy. High near 51, 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: Mostly Cloudy then Chance Light Rain
Mostly Cloudy then Chance Light Rain
Friday

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

Saturday: Chance Rain Showers then Mostly Cloudy
Chance Rain Showers then Mostly Cloudy
Saturday
Night
Saturday Night: Mostly Cloudy then Patchy Fog
Mostly Cloudy then Patchy Fog
Sunday

Sunday: Patchy Fog then Mostly Cloudy
Patchy Fog then Mostly Cloudy
Sunday
Night
Sunday Night: Patchy Fog
Patchy Fog
Lo 40°F Hi 45°F Lo 36°F Hi 44°F Lo 34°F Hi 44°F Lo 33°F
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