Willamette River at Portland
6.7 mi- Level
- 0.4 ft
Forecast peak 5.4 ft Wed 7 PM
Reading from Sat 12:05 PM · NWS gauge page
Appearance
Observed 12:55 PM PDT at KHIO
Sunny and 55°13°, jacket by 7 PM.
Today: low 41°5° (likely 35°2° to 41°5°), high 61°16° (likely 56°13° to 61°16°).
Now 55°13°
Sunny
No precipitation expected in the next 2 hours.
From forecast models
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 1p | Cloudy | 57°14° (likely 52°11° to 57°14°) | 57°14° | 0% | 0 mph0 km/h, gusts 3 mph5 km/h | 62% | 81% | 3 |
| Sat 2p | Cloudy | 59°15° (likely 55°13° to 59°15°) | 59°15° | 0% | 0 mph0 km/h, gusts 3 mph4 km/h | 55% | 81% | 3 |
| Sat 3p | Cloudy | 59°15° (likely 56°13° to 59°15°) | 59°15° | 0% | 0 mph0 km/h, gusts 3 mph5 km/h | 51% | 81% | 2 |
| Sat 4p | Cloudy | 60°16° (likely 56°13° to 60°16°) | 60°16° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 50% | 82% | 2 |
| Sat 5p | Cloudy | 60°16° (likely 55°13° to 60°16°) | 60°16° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 48% | 82% | 1 |
| Sat 6p | Cloudy | 58°14° (likely 52°11° to 58°14°) | 58°14° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 52% | 83% | 0 |
| Sat 7p | Cloudy | 55°13° (likely 49°9° to 55°13°) | 55°13° | 0% | 0 mph0 km/h, gusts 6 mph9 km/h | 60% | 82% | 0 |
| Sat 8p | Cloudy | 51°11° (likely 48°9° to 51°11°) | 51°11° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 66% | 82% | 0 |
| Sat 9p | Cloudy | 49°9° (likely 47°8° to 49°9°) | 49°9° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 71% | 82% | 0 |
| Sat 10p | Cloudy | 48°9° (likely 46°8° to 48°9°) | 48°9° | 0% | 0 mph0 km/h, gusts 5 mph7 km/h | 76% | 82% | 0 |
| Sat 11p | Cloudy | 46°8° (likely 45°7° to 47°8°) | 46°8° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 78% | 80% | 0 |
| Sun 12a | Cloudy | 46°8° (likely 44°7° to 47°8°) | 46°8° | 0% | 0 mph0 km/h, gusts 6 mph10 km/h | 81% | 77% | 0 |
| Sun 1a | Cloudy | 45°7° (likely 43°6° to 46°8°) | 45°7° | 0% | 0 mph0 km/h, gusts 7 mph12 km/h | 83% | 74% | 0 |
| Sun 2a | Cloudy | 44°7° (likely 43°6° to 46°8°) | 44°7° | 0% | 1 mph2 km/h from SE, gusts 9 mph15 km/h | 85% | 71% | 0 |
| Sun 3a | Cloudy | 43°6° (likely 42°6° to 45°7°) | 43°6° | 0% | 1 mph2 km/h from SE, gusts 10 mph15 km/h | 84% | 73% | 0 |
| Sun 4a | Partly cloudy | 43°6° (likely 42°6° to 45°7°) | 43°6° | 5% | 1 mph2 km/h from SE, gusts 9 mph14 km/h | 83% | 77% | 0 |
| Sun 5a | Cloudy | 43°6° (likely 42°6° to 45°7°) | 43°6° | 20%, 0.08 in2 mm | 1 mph2 km/h from SE, gusts 9 mph14 km/h | 83% | 84% | 0 |
| Sun 6a | Cloudy | 42°6° (likely 42°6° to 46°8°) | 42°6° | 30%, 0.08 in2 mm | 1 mph2 km/h from SE, gusts 9 mph15 km/h | 84% | 93% | 0 |
| Sun 7a | Cloudy | 43°6° (likely 43°6° to 47°8°) | 43°6° | 30%, 0.08 in2 mm | 1 mph2 km/h from SSE, gusts 10 mph16 km/h | 86% | 93% | 0 |
| Sun 8a | Drizzle | 43°6° (likely 43°6° to 49°9°) | 43°6° | 50%, 0.08 in2 mm | 1 mph2 km/h from SSE, gusts 15 mph23 km/h | 88% | 99% | 0 |
| Sun 9a | Rain | 44°7° (likely 44°7° to 48°9°) | 44°7° | 50%, 0.08 in2 mm | 1 mph2 km/h from SSE, gusts 11 mph18 km/h | 90% | 100% | 0 |
| Sun 10a | Rain | 48°9° (likely 46°8° to 48°9°) | 48°9° | 50%, 0.08 in2 mm | 2 mph3 km/h from SSE, gusts 14 mph23 km/h | 88% | 100% | 0 |
| Sun 11a | Rain | 51°11° (likely 46°8° to 51°11°) | 51°11° | 70%, 0.17 in4.3 mm | 2 mph3 km/h from S, gusts 14 mph23 km/h | 81% | 100% | 0 |
| Sun 12p | Rain | 53°12° (likely 46°8° to 53°12°) | 53°12° | 70%, 0.17 in4.3 mm | 2 mph3 km/h from S, gusts 13 mph20 km/h | 80% | 100% | 0 |
| Sun 1p | Rain | 55°13° (likely 47°8° to 55°13°) | 55°13° | 70%, 0.17 in4.3 mm | 3 mph5 km/h from S, gusts 16 mph26 km/h | 78% | 100% | 0 |
| Sun 2p | Rain | 56°13° (likely 48°9° to 56°13°) | 56°13° | 70%, 0.17 in4.3 mm | 3 mph5 km/h from S, gusts 14 mph23 km/h | 77% | 100% | 0 |
| Sun 3p | Rain | 57°14° (likely 49°9° to 57°14°) | 57°14° | 70%, 0.17 in4.3 mm | 3 mph5 km/h from S, gusts 14 mph22 km/h | 76% | 100% | 0 |
| Sun 4p | Rain | 58°14° (likely 50°10° to 58°14°) | 58°14° | 70%, 0.17 in4.3 mm | 3 mph5 km/h from S, gusts 15 mph24 km/h | 79% | 100% | 1 |
| Sun 5p | Rain | 57°14° (likely 50°10° to 57°14°) | 57°14° | 70%, 0.1 in2.5 mm | 3 mph5 km/h from S, gusts 16 mph25 km/h | 77% | 100% | 0 |
| Sun 6p | Cloudy | 57°14° (likely 50°10° to 57°14°) | 57°14° | 70%, 0.1 in2.5 mm | 3 mph5 km/h from S, gusts 16 mph25 km/h | 78% | 98% | 0 |
| Sun 7p | Cloudy | 55°13° (likely 50°10° to 55°13°) | 55°13° | 40%, 0.1 in2.5 mm | 3 mph5 km/h from S, gusts 15 mph24 km/h | 85% | 95% | 0 |
| Sun 8p | Rain | 52°11° (likely 50°10° to 52°11°) | 52°11° | 30%, 0.1 in2.5 mm | 3 mph5 km/h from SSE, gusts 16 mph26 km/h | 89% | 91% | 0 |
| Sun 9p | Cloudy | 52°11° (likely 50°10° to 52°11°) | 52°11° | 50%, 0.1 in2.5 mm | 3 mph5 km/h from SSE, gusts 17 mph27 km/h | 90% | 87% | 0 |
| Sun 10p | Cloudy | 51°11° (likely 50°10° to 51°11°) | 51°11° | 90%, 0.1 in2.5 mm | 3 mph5 km/h from SSE, gusts 16 mph26 km/h | 91% | 86% | 0 |
| Sun 11p | Rain | 51°11° (likely 49°9° to 51°11°) | 51°11° | 50%, 0.04 in1 mm | 6 mph10 km/h from SSE, gusts 21 mph34 km/h | 90% | 72% | 0 |
| Mon 12a | Rain | 50°10° (likely 49°9° to 51°11°) | 48°9° | 30%, 0.04 in1 mm | 6 mph10 km/h from SSE, gusts 15 mph24 km/h | 90% | 94% | 0 |
| Mon 1a | Rain | 50°10° (likely 49°9° to 51°11°) | 48°9° | 80%, 0.04 in1 mm | 6 mph10 km/h from SSE, gusts 17 mph27 km/h | 91% | 98% | 0 |
| Mon 2a | Rain | 49°9° (likely 49°9° to 51°11°) | 47°8° | 60%, 0.04 in1 mm | 5 mph8 km/h from SSE, gusts 18 mph30 km/h | 92% | 99% | 0 |
| Mon 3a | Rain | 49°9° (likely 48°9° to 51°11°) | 47°8° | 30%, 0.04 in1 mm | 5 mph8 km/h from SSE, gusts 18 mph28 km/h | 93% | 94% | 0 |
| Mon 4a | Cloudy | 48°9° (likely 48°9° to 51°11°) | 46°8° | 60%, 0.04 in1 mm | 5 mph8 km/h from SSE, gusts 17 mph27 km/h | 92% | 99% | 0 |
| Mon 5a | Rain | 48°9° (likely 48°9° to 50°10°) | 46°8° | 80%, 0.08 in2 mm | 5 mph8 km/h from SSE, gusts 16 mph26 km/h | 92% | 99% | 0 |
| Mon 6a | Rain | 48°9° (likely 48°9° to 50°10°) | 46°8° | 80%, 0.08 in2 mm | 5 mph8 km/h from SSE, gusts 19 mph30 km/h | 92% | 91% | 0 |
| Mon 7a | Rain | 48°9° (likely 47°8° to 50°10°) | 46°8° | 80%, 0.08 in2 mm | 5 mph8 km/h from SSE, gusts 19 mph31 km/h | 93% | 87% | 0 |
| Mon 8a | Rain | 48°9° (likely 48°9° to 50°10°) | 47°8° | 80%, 0.08 in2 mm | 3 mph5 km/h from SSE, gusts 18 mph28 km/h | 94% | 99% | 0 |
| Mon 9a | Rain | 50°10° (likely 48°9° to 51°11°) | 49°9° | 80%, 0.08 in2 mm | 3 mph5 km/h from SSE, gusts 16 mph25 km/h | 94% | 98% | 0 |
| Mon 10a | Drizzle | 51°11° (likely 49°9° to 51°11°) | 51°11° | 80%, 0.08 in2 mm | 3 mph5 km/h from SSE, gusts 17 mph27 km/h | 93% | 96% | 0 |
| Mon 11a | Drizzle | 53°12° (likely 49°9° to 53°12°) | 53°12° | 70%, 0.02 in0.5 mm | 3 mph5 km/h from S, gusts 15 mph23 km/h | 91% | 97% | 0 |
| Mon 12p | Drizzle | 55°13° (likely 49°9° to 55°13°) | 55°13° | 70%, 0.02 in0.5 mm | 3 mph5 km/h from S, gusts 9 mph15 km/h | 89% | 96% | 0 |
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Official NWS forecast
Today: Partly sunny, with a high near 61. Wind around 0 mph.
Tonight: A slight chance of rain after 5am. Mostly cloudy. Low around 41, with temperatures rising to around 43 overnight. East northeast wind around 1 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
70% chance · 0.57 in14 mm
Afternoon
noon–6 PM
70% chance · 0.95 in24 mm
Evening
6 PM–midnight
90% chance · 0.54 in14 mm
Overnight
midnight–6 AM
80% chance · 0.28 in7.1 mm
Official NWS forecast
Day: Rain likely. Mostly cloudy. High near 59, with temperatures falling to around 57 in the afternoon. South southeast wind around 3 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Night: Rain. Cloudy, with a low around 46. South southeast wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
80% chance · 0.42 in11 mm
Afternoon
noon–6 PM
70% chance · 0.09 in2.2 mm
Evening
6 PM–midnight
50% chance · 0.05 in1.2 mm
Overnight
midnight–6 AM
40% chance · 0.05 in1.2 mm
Official NWS forecast
Day: Rain. Mostly cloudy, with a high near 60. South wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Night: A chance of rain before 11pm, then a chance of rain and patchy fog between 11pm and 1am, then areas of fog and a chance of rain between 1am and 4am, then a chance of rain and patchy fog between 4am and 5am, then areas of fog and a chance of rain. Mostly cloudy, with a low around 44. Chance of precipitation is 50%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
40% chance · 0.07 in1.8 mm
Afternoon
noon–6 PM
50% chance · 0.05 in1.3 mm
Evening
6 PM–midnight
40% chance
Overnight
midnight–6 AM
50% chance · 0.04 in1.1 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Areas of fog and a chance of rain before 10am, then rain likely and patchy fog. Mostly cloudy, with a high near 61.
Night: A slight chance of rain before 11pm, then a chance of rain and patchy fog between 11pm and midnight, then areas of fog and a chance of rain between midnight and 1am, then rain likely and patchy fog. Mostly cloudy, with a low around 42.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
60% chance · 0.13 in3.3 mm
Afternoon
noon–6 PM
60% chance · 0.07 in1.9 mm
Evening
6 PM–midnight
50% chance
Overnight
midnight–6 AM
40% chance · 0.05 in1.3 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain likely. Mostly cloudy, with a high near 58.
Night: Rain likely. Mostly cloudy, with a low around 40.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
50% chance · 0.05 in1.1 mm
Afternoon
noon–6 PM
60% chance · 0.1 in2.5 mm
Evening
6 PM–midnight
50% chance · 0.07 in1.8 mm
Overnight
midnight–6 AM
30% chance · 0.11 in2.8 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain likely. Mostly cloudy, with a high near 57.
Night: A chance of rain before 5am. Mostly cloudy, with a low around 38.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
20% chance · 0.04 in1 mm
Afternoon
noon–6 PM
30% chance · 0.04 in1.1 mm
Evening
6 PM–midnight
20% chance · 0.03 in0.8 mm
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain between 11am and 5pm. Partly sunny, with a high near 57.
Night: Mostly cloudy, with a low around 36.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Dry, high 61°, low 41°.
72% chance of rain, high 59°, low 46°.
84% chance of rain, high 60°, low 44°.
Highs 49–61°; chance of precipitation on Tuesday, Wednesday, Thursday.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (PQR) (opens in a new tab)
No meaningful changes from yesterday’s forecast.
Forecast peak 5.4 ft Wed 7 PM
Reading from Sat 12:05 PM · NWS gauge page
Forecast peak 4.2 ft Mon 5 PM
Reading from Sat 11:30 AM · NWS gauge page
Forecast peak 5.1 ft Wed 7 PM
Reading from Sat 12:06 PM · NWS gauge page
Forecast peak 3.1 ft Mon 5 AM
Reading from Sat 11:50 AM · NWS gauge page
What this week’s weather means for heating, cooling, pipes and fresh air.
About 70% less heating than a typical week.
Heating degree days, base 65°F
47, 17 and 5°F are the test points heat pumps are rated at. About 1 hours are near freezing and damp, when outdoor units defrost more often.
Dry air outside (dew point 39°F).
Today, 4:00 PM–5:00 PM
Good stretch to open the windows.
Today’s expected high is 2°1° warmer than typical.
On average 3°2° warmer than normal (daily mean temperature).
Cedar Hills weather by month: normals, records, snow and freeze dates
Sunrise 7:39 AM, sunset 6:10 PM.
Clouds most of the night (about 81% cover).
Waxing gibbous
98% lit · growing