Willamette River at Portland
4.7 mi- Level
- 2.8 ft
Forecast peak 5.4 ft Wed 7 PM
Reading from Sat 2:45 PM · NWS gauge page
Appearance
Observed 3:50 PM PDT at KVUO
Sunny and 57°14°, rain tomorrow ~8 AM–6 PM (72%).
Today: low 43°6° (likely 34°1° to 43°6°), high 59°15° (likely 55°13° to 59°15°).
Now 57°14°
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 4p | Cloudy | 58°14° (likely 55°13° to 58°14°) | 58°14° | 0% | 0 mph0 km/h, gusts 3 mph5 km/h | 56% | 82% | 2 |
| Sat 5p | Cloudy | 57°14° (likely 54°12° to 57°14°) | 57°14° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 53% | 82% | 1 |
| Sat 6p | Cloudy | 56°13° (likely 50°10° to 56°13°) | 56°13° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 56% | 83% | 0 |
| Sat 7p | Cloudy | 53°12° (likely 49°9° to 53°12°) | 53°12° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 62% | 83% | 0 |
| Sat 8p | Cloudy | 50°10° (likely 47°8° to 50°10°) | 50°10° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 66% | 82% | 0 |
| Sat 9p | Cloudy | 49°9° (likely 46°8° to 49°9°) | 49°9° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 68% | 83% | 0 |
| Sat 10p | Cloudy | 48°9° (likely 45°7° to 48°9°) | 48°9° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 72% | 83% | 0 |
| Sat 11p | Cloudy | 48°9° (likely 44°7° to 48°9°) | 48°9° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 74% | 81% | 0 |
| Sun 12a | Cloudy | 47°8° (likely 43°6° to 47°8°) | 47°8° | 0% | 0 mph0 km/h, gusts 6 mph10 km/h | 76% | 77% | 0 |
| Sun 1a | Cloudy | 46°8° (likely 43°6° to 46°8°) | 46°8° | 0% | 1 mph2 km/h from SSE, gusts 7 mph11 km/h | 77% | 72% | 0 |
| Sun 2a | Cloudy | 46°8° (likely 42°6° to 46°8°) | 46°8° | 0% | 2 mph3 km/h from SSE, gusts 8 mph13 km/h | 78% | 69% | 0 |
| Sun 3a | Cloudy | 45°7° (likely 42°6° to 45°7°) | 45°7° | 0% | 2 mph3 km/h from SSE, gusts 9 mph15 km/h | 77% | 71% | 0 |
| Sun 4a | Partly cloudy | 45°7° (likely 42°6° to 45°7°) | 45°7° | 0% | 2 mph3 km/h from SSE, gusts 10 mph16 km/h | 77% | 71% | 0 |
| Sun 5a | Cloudy | 45°7° (likely 41°5° to 45°7°) | 44°7° | 20%, 0.07 in1.8 mm | 3 mph5 km/h from S, gusts 10 mph16 km/h | 76% | 59% | 0 |
| Sun 6a | Rain | 44°7° (likely 41°5° to 44°7°) | 42°6° | 20%, 0.07 in1.8 mm | 3 mph5 km/h from SSE, gusts 10 mph16 km/h | 78% | 71% | 0 |
| Sun 7a | Cloudy | 45°7° (likely 42°6° to 46°8°) | 45°7° | 30%, 0.07 in1.8 mm | 2 mph3 km/h from S, gusts 11 mph17 km/h | 78% | 92% | 0 |
| Sun 8a | Rain | 45°7° (likely 43°6° to 46°8°) | 45°7° | 50%, 0.07 in1.8 mm | 2 mph3 km/h from S, gusts 11 mph17 km/h | 80% | 98% | 0 |
| Sun 9a | Rain | 45°7° (likely 45°7° to 47°8°) | 44°7° | 50%, 0.07 in1.8 mm | 3 mph5 km/h from S, gusts 12 mph19 km/h | 84% | 97% | 0 |
| Sun 10a | Rain | 47°8° (likely 46°8° to 48°9°) | 47°8° | 50%, 0.07 in1.8 mm | 2 mph3 km/h from S, gusts 17 mph27 km/h | 88% | 100% | 0 |
| Sun 11a | Rain | 49°9° (likely 45°7° to 49°9°) | 49°9° | 70%, 0.17 in4.3 mm | 2 mph3 km/h from S, gusts 17 mph27 km/h | 86% | 100% | 0 |
| Sun 12p | Rain | 50°10° (likely 45°7° to 50°10°) | 49°9° | 70%, 0.17 in4.3 mm | 3 mph5 km/h from S, gusts 15 mph23 km/h | 85% | 100% | 0 |
| Sun 1p | Rain | 53°12° (likely 46°8° to 53°12°) | 53°12° | 70%, 0.17 in4.3 mm | 3 mph5 km/h from S, gusts 17 mph28 km/h | 84% | 100% | 0 |
| Sun 2p | Rain | 53°12° (likely 46°8° to 53°12°) | 53°12° | 70%, 0.17 in4.3 mm | 3 mph5 km/h from S, gusts 16 mph25 km/h | 84% | 99% | 0 |
| Sun 3p | Rain | 54°12° (likely 47°8° to 54°12°) | 54°12° | 70%, 0.17 in4.3 mm | 3 mph5 km/h from S, gusts 14 mph23 km/h | 83% | 93% | 0 |
| Sun 4p | Rain | 55°13° (likely 48°9° to 55°13°) | 55°13° | 70%, 0.17 in4.3 mm | 3 mph5 km/h from S, gusts 14 mph23 km/h | 86% | 97% | 1 |
| Sun 5p | Rain | 54°12° (likely 48°9° to 54°12°) | 54°12° | 70%, 0.09 in2.3 mm | 3 mph5 km/h from S, gusts 15 mph25 km/h | 85% | 99% | 0 |
| Sun 6p | Cloudy | 54°12° (likely 48°9° to 54°12°) | 54°12° | 70%, 0.09 in2.3 mm | 3 mph5 km/h from S, gusts 17 mph27 km/h | 84% | 97% | 0 |
| Sun 7p | Cloudy | 53°12° (likely 48°9° to 53°12°) | 53°12° | 30%, 0.09 in2.3 mm | 3 mph5 km/h from S, gusts 17 mph27 km/h | 87% | 86% | 0 |
| Sun 8p | Rain | 52°11° (likely 48°9° to 52°11°) | 52°11° | 20%, 0.09 in2.3 mm | 3 mph5 km/h from SSE, gusts 17 mph27 km/h | 87% | 86% | 0 |
| Sun 9p | Rain | 52°11° (likely 49°9° to 52°11°) | 52°11° | 40%, 0.09 in2.3 mm | 3 mph5 km/h from SSE, gusts 18 mph29 km/h | 87% | 86% | 0 |
| Sun 10p | Rain | 52°11° (likely 49°9° to 52°11°) | 52°11° | 80%, 0.09 in2.3 mm | 3 mph5 km/h from SSE, gusts 16 mph26 km/h | 87% | 86% | 0 |
| Sun 11p | Rain | 52°11° (likely 49°9° to 52°11°) | 52°11° | 60%, 0.05 in1.3 mm | 6 mph10 km/h from SSE, gusts 21 mph34 km/h | 86% | 90% | 0 |
| Mon 12a | Rain | 51°11° (likely 48°9° to 51°11°) | 51°11° | 20%, 0.05 in1.3 mm | 6 mph10 km/h from SSE, gusts 16 mph26 km/h | 86% | 94% | 0 |
| Mon 1a | Rain | 51°11° (likely 48°9° to 51°11°) | 51°11° | 80%, 0.05 in1.3 mm | 6 mph10 km/h from SSE, gusts 18 mph28 km/h | 86% | 98% | 0 |
| Mon 2a | Rain | 51°11° (likely 48°9° to 51°11°) | 51°11° | 60%, 0.05 in1.3 mm | 7 mph11 km/h from SSE, gusts 19 mph30 km/h | 85% | 100% | 0 |
| Mon 3a | Cloudy | 51°11° (likely 47°8° to 51°11°) | 51°11° | 20%, 0.05 in1.3 mm | 7 mph11 km/h from SSE, gusts 18 mph29 km/h | 85% | 100% | 0 |
| Mon 4a | Rain | 50°10° (likely 48°9° to 50°10°) | 47°8° | 50%, 0.05 in1.3 mm | 7 mph11 km/h from SSE, gusts 18 mph29 km/h | 85% | 99% | 0 |
| Mon 5a | Rain | 50°10° (likely 47°8° to 50°10°) | 47°8° | 80%, 0.09 in2.3 mm | 7 mph11 km/h from SSE, gusts 17 mph27 km/h | 84% | 98% | 0 |
| Mon 6a | Rain | 50°10° (likely 47°8° to 50°10°) | 47°8° | 80%, 0.09 in2.3 mm | 7 mph11 km/h from SSE, gusts 18 mph29 km/h | 87% | 98% | 0 |
| Mon 7a | Rain | 50°10° (likely 46°8° to 50°10°) | 47°8° | 80%, 0.09 in2.3 mm | 7 mph11 km/h from SSE, gusts 19 mph30 km/h | 88% | 92% | 0 |
| Mon 8a | Rain | 50°10° (likely 46°8° to 50°10°) | 48°9° | 80%, 0.09 in2.3 mm | 6 mph10 km/h from SSE, gusts 19 mph30 km/h | 89% | 100% | 0 |
| Mon 9a | Rain | 50°10° (likely 47°8° to 50°10°) | 48°9° | 80%, 0.09 in2.3 mm | 6 mph10 km/h from SSE, gusts 18 mph28 km/h | 92% | 98% | 0 |
| Mon 10a | Drizzle | 51°11° (likely 48°9° to 51°11°) | 51°11° | 80%, 0.09 in2.3 mm | 6 mph10 km/h from SSE, gusts 19 mph30 km/h | 94% | 99% | 0 |
| Mon 11a | Rain | 51°11° (likely 48°9° to 52°11°) | 51°11° | 70%, 0.02 in0.5 mm | 5 mph8 km/h from S, gusts 15 mph24 km/h | 96% | 98% | 0 |
| Mon 12p | Rain | 52°11° (likely 48°9° to 53°12°) | 52°11° | 70%, 0.02 in0.5 mm | 5 mph8 km/h from S, gusts 11 mph18 km/h | 95% | 82% | 0 |
| Mon 1p | Rain | 54°12° (likely 48°9° to 55°13°) | 54°12° | 70%, 0.02 in0.5 mm | 5 mph8 km/h from S, gusts 12 mph19 km/h | 93% | 87% | 0 |
| Mon 2p | Rain | 55°13° (likely 49°9° to 56°13°) | 55°13° | 70%, 0.02 in0.5 mm | 3 mph5 km/h from SSW, gusts 11 mph18 km/h | 91% | 88% | 1 |
| Mon 3p | Rain | 55°13° (likely 49°9° to 56°13°) | 55°13° | 70%, 0.02 in0.5 mm | 3 mph5 km/h from SSW, gusts 11 mph18 km/h | 90% | 68% | 1 |
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Official NWS forecast
Today: Partly sunny. High near 59, with temperatures falling to around 57 in the afternoon. Wind around 0 mph.
Tonight: A slight chance of rain after 5am. Mostly cloudy. Low around 43, with temperatures rising to around 45 overnight. South southeast wind 0 to 3 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
70% chance · 0.52 in13 mm
Afternoon
noon–6 PM
70% chance · 0.94 in24 mm
Evening
6 PM–midnight
80% chance · 0.5 in13 mm
Overnight
midnight–6 AM
80% chance · 0.34 in8.6 mm
Official NWS forecast
Day: Rain likely. Mostly cloudy. High near 56, with temperatures falling to around 54 in the afternoon. South 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 48. South southeast wind 3 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
80% chance · 0.47 in12 mm
Afternoon
noon–6 PM
70% chance · 0.13 in3.3 mm
Evening
6 PM–midnight
50% chance · 0.05 in1.3 mm
Overnight
midnight–6 AM
50% chance · 0.02 in0.4 mm
Official NWS forecast
Day: Rain. Mostly cloudy, with a high near 57. South wind 2 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Night: Rain likely. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
40% chance · 0.03 in0.7 mm
Afternoon
noon–6 PM
50% chance · 0.04 in1.1 mm
Evening
6 PM–midnight
30% chance · 0.04 in1.1 mm
Overnight
midnight–6 AM
40% chance · 0.02 in0.6 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain before 7am, then rain likely and patchy fog. Mostly cloudy, with a high near 58.
Night: Rain likely. Mostly cloudy, with a low around 44.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
60% chance · 0.15 in3.8 mm
Afternoon
noon–6 PM
70% chance · 0.08 in2 mm
Evening
6 PM–midnight
50% chance · 0.01 in0.3 mm
Overnight
midnight–6 AM
50% chance · 0.07 in1.8 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain. Mostly cloudy, with a high near 55.
Night: Rain likely. Mostly cloudy, with a low around 42.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
50% chance · 0.1 in2.5 mm
Afternoon
noon–6 PM
60% chance · 0.08 in2.1 mm
Evening
6 PM–midnight
60% chance · 0.04 in1.1 mm
Overnight
midnight–6 AM
30% chance · 0.02 in0.4 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain likely. Mostly cloudy, with a high near 54.
Night: A chance of rain. Mostly cloudy, with a low around 39.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
20% chance · 0.03 in0.7 mm
Afternoon
noon–6 PM
20% chance · 0.05 in1.4 mm
Evening
6 PM–midnight
20% chance · 0.03 in0.7 mm
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain before 5pm. Partly sunny, with a high near 54.
Night: Mostly cloudy, with a low around 38.
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.
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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Dry, high 59°, low 43°.
72% chance of rain, high 56°, low 48°, cooling off.
84% chance of rain, high 57°, low 46°.
Highs 50–58°; 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 2:45 PM · NWS gauge page
Forecast peak 5.1 ft Wed 7 PM
Reading from Sat 3 PM · NWS gauge page
Forecast peak 4.2 ft Mon 5 PM
Reading from Sat 2:30 PM · NWS gauge page
Forecast peak 3.1 ft Mon 5 AM
Reading from Sat 2:50 PM · NWS gauge page
What this week’s weather means for heating, cooling, pipes and fresh air.
About 69% 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.
Dry air outside (dew point 39°F).
No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.
Today’s expected high is about typical for the date.
On average 3°2° warmer than normal (daily mean temperature).
West Haven-Sylvan weather by month: normals, records, snow and freeze dates
Sunrise 7:39 AM, sunset 6:09 PM.
Clouds most of the night (about 77% cover).
Waxing gibbous
98% lit · growing