Columbia River at St. Helens
15 mi- Level
- 1.6 ft
Forecast peak 5.5 ft Wed 6 PM
Reading from Sat 8:30 AM · NWS gauge page
1 active weather alert
Frost Advisory
Ends in 32 min
- When
- Until 10 AM PDT this morning.
- Where
- Portions of northwest and west central Oregon and southwest Washington.
Issued for this forecast zone · National Weather Service Portland OR
What, impacts and precautionsHide details
What
Temperatures of 33 to 36 degrees will result in frost formation.
Impacts
Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Precautionary actions
Take steps now to protect tender outdoor plants from the cold. Consider temporarily moving outdoor potted plants indoors if they are sensitive to cold temperatures, or temporarily covering sensitive plants with a lightweight cotton fabric (i.e., bedsheets, thin blankets), as this will help retain heat and provide frost protection for your plants.
Areas: Central Oregon Coast Range Lowlands; Central Oregon Coast Range; Lower Columbia River; Tualatin Valley; East Portland Metro; Outer Southeast Portland Metro; West Columbia River Gorge of Oregon above 500 ft; Clackamas County Cascade Foothills; Willapa Hills; Cowlitz County Lowlands; North Clark County Lowlands; East Clark County Lowlands; South Washington Cascade Foothills
See it on weather.gov (opens in a new tab)
Observed 8:53 AM PDT at KVUO
Amboy, WA weather
Foggy and 41°5°.
Today: low 39°4° (likely 36°2° to 39°4°), high 63°17° (likely 55°13° to 63°17°).
Now 41°5°
Fog
- Wind
- Calm
- Light through 9 PM
- Visibility
- 4 mi6 km
- Fog · under 5 mi8 km
- Dew point
- 41°5°
- Comfortable
- Humidity
- 100%
- Air 41°5°, dew point 41°5° · fog or dew likely
- Air quality
- 27Good
- Main pollutant: PM2.5 (fine particles)
Next 48 hours
Good hours for
This morningUp to 52°11° by 11 AM
This afternoonUp to 62°17° by 3 PM
TonightDown to 43°6° by 3 AM · Rain 5–6 AM (30%)
Tomorrow morningUp to 51°11° by 11 AM · Rain all morning (40%)
Tomorrow afternoonUp to 59°15° by 4 PM · Rain all afternoon (70%)
Tomorrow nightDown to 46°8° by 4 AM · Rain all night (80%)
Monday morningNear 45°7° · Rain all morning (70%)
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 9a | Mostly cloudy | 40°4° (likely 40°4° to 40°4°) | 40°4° | 0% | 1 mph2 km/h from ENE | 84% | — | 0 |
| Sat 10a | Mostly cloudy | 47°8° (likely 45°7° to 47°8°) | 47°8° | 0% | 0 mph0 km/h | 75% | — | 1 |
| Sat 11a | Mostly cloudy | 52°11° (likely 48°9° to 52°11°) | 52°11° | 0% | 0 mph0 km/h | 65% | — | 1 |
| Sat 12p | Partly sunny | 56°13° (likely 51°11° to 56°13°) | 56°13° | 0% | 0 mph0 km/h | 60% | — | 2 |
| Sat 1p | Partly sunny | 60°16° (likely 53°12° to 60°16°) | 60°16° | 0% | 1 mph2 km/h from SW | 55% | — | 2 |
| Sat 2p | Mostly cloudy | 61°16° (likely 55°13° to 61°16°) | 61°16° | 0% | 1 mph2 km/h from WSW | 52% | — | 2 |
| Sat 3p | Mostly cloudy | 62°17° (likely 55°13° to 62°17°) | 62°17° | 0% | 1 mph2 km/h from WSW | 50% | — | 1 |
| Sat 4p | Mostly cloudy | 62°17° (likely 55°13° to 62°17°) | 62°17° | 0% | 0 mph0 km/h | 53% | — | 1 |
| Sat 5p | Mostly cloudy | 59°15° (likely 53°12° to 59°15°) | 59°15° | 0% | 0 mph0 km/h | 58% | — | — |
| Sat 6p | Mostly cloudy | 57°14° (likely 50°10° to 57°14°) | 57°14° | 0% | 0 mph0 km/h | 62% | — | — |
| Sat 7p | Cloudy | 54°12° (likely 48°9° to 54°12°) | 54°12° | 0% | 0 mph0 km/h | 69% | — | — |
| Sat 8p | Cloudy | 50°10° (likely 46°8° to 50°10°) | 50°10° | 0% | 1 mph2 km/h from ENE | 73% | — | — |
| Sat 9p | Mostly cloudy | 48°9° (likely 45°7° to 48°9°) | 48°9° | 0% | 1 mph2 km/h from ENE | 75% | — | — |
| Sat 10p | Mostly cloudy | 47°8° (likely 45°7° to 47°8°) | 47°8° | 5% | 1 mph2 km/h from ENE | 75% | — | — |
| Sat 11p | Cloudy | 46°8° (likely 44°7° to 46°8°) | 46°8° | 5% | 2 mph3 km/h from ENE | 75% | — | — |
| Sun 12a | Cloudy | 45°7° (likely 44°7° to 45°7°) | 44°7° | 5% | 3 mph5 km/h from E | 75% | — | — |
| Sun 1a | Mostly cloudy | 45°7° (likely 44°7° to 45°7°) | 44°7° | 5% | 3 mph5 km/h from E | 73% | — | — |
| Sun 2a | Mostly cloudy | 45°7° (likely 44°7° to 45°7°) | 44°7° | 5% | 3 mph5 km/h from E | 73% | — | — |
| Sun 3a | Mostly cloudy | 43°6° (likely 43°6° to 44°7°) | 41°5° | 5% | 3 mph5 km/h from E | 74% | — | — |
| Sun 4a | Mostly cloudy | 43°6° (likely 43°6° to 44°7°) | 41°5° | 5% | 3 mph5 km/h from E | 74% | — | — |
| Sun 5a | Rain | 43°6° (likely 43°6° to 43°6°) | 40°4° | 30%, 0.07 in1.8 mm | 5 mph8 km/h from E | 74% | — | — |
| Sun 6a | Rain | 40°4° (likely 40°4° to 43°6°) | 37°3° | 40%, 0.07 in1.8 mm | 5 mph8 km/h from E | 77% | — | — |
| Sun 7a | Rain | 42°6° (likely 42°6° to 44°7°) | 39°4° | 20%, 0.07 in1.8 mm | 5 mph8 km/h from E | 76% | — | — |
| Sun 8a | Rain | 42°6° (likely 42°6° to 44°7°) | 39°4° | 20%, 0.07 in1.8 mm | 5 mph8 km/h from E | 78% | — | — |
| Sun 9a | Rain | 43°6° (likely 43°6° to 45°7°) | 40°4° | 20%, 0.07 in1.8 mm | 5 mph8 km/h from E | 82% | — | — |
| Sun 10a | Rain | 48°9° (likely 46°8° to 48°9°) | 46°8° | 30%, 0.07 in1.8 mm | 5 mph8 km/h from E | 79% | — | — |
| Sun 11a | Rain | 51°11° (likely 46°8° to 51°11°) | 51°11° | 20%, 0.27 in6.9 mm | 3 mph5 km/h from E | 75% | — | — |
| Sun 12p | Rain | 54°12° (likely 47°8° to 54°12°) | 54°12° | 40%, 0.27 in6.9 mm | 3 mph5 km/h from E | 72% | — | — |
| Sun 1p | Rain | 57°14° (likely 47°8° to 57°14°) | 57°14° | 50%, 0.27 in6.9 mm | 3 mph5 km/h from E | 71% | — | — |
| Sun 2p | Rain | 58°14° (likely 48°9° to 58°14°) | 58°14° | 70%, 0.27 in6.9 mm | 3 mph5 km/h from E | 69% | — | — |
| Sun 3p | Rain | 58°14° (likely 49°9° to 58°14°) | 58°14° | 70%, 0.27 in6.9 mm | 3 mph5 km/h from E | 68% | — | — |
| Sun 4p | Rain | 59°15° (likely 49°9° to 59°15°) | 59°15° | 70%, 0.27 in6.9 mm | 3 mph5 km/h from E | 71% | — | — |
| Sun 5p | Rain | 57°14° (likely 49°9° to 57°14°) | 57°14° | 70%, 0.08 in2 mm | 2 mph3 km/h from ESE | 75% | — | — |
| Sun 6p | Rain | 55°13° (likely 49°9° to 55°13°) | 55°13° | 70%, 0.08 in2 mm | 2 mph3 km/h from ESE | 76% | — | — |
| Sun 7p | Rain | 53°12° (likely 48°9° to 53°12°) | 53°12° | 70%, 0.08 in2 mm | 2 mph3 km/h from ESE | 80% | — | — |
| Sun 8p | Rain | 51°11° (likely 48°9° to 51°11°) | 51°11° | 70%, 0.08 in2 mm | 3 mph5 km/h from ESE | 84% | — | — |
| Sun 9p | Rain | 50°10° (likely 48°9° to 50°10°) | 49°9° | 70%, 0.08 in2 mm | 3 mph5 km/h from ESE | 86% | — | — |
| Sun 10p | Rain | 49°9° (likely 48°9° to 49°9°) | 48°9° | 70%, 0.08 in2 mm | 3 mph5 km/h from ESE | 87% | — | — |
| Sun 11p | Rain | 48°9° (likely 48°9° to 48°9°) | 45°7° | 80%, 0.1 in2.5 mm | 6 mph10 km/h from ESE | 87% | — | — |
| Mon 12a | Rain | 48°9° (likely 48°9° to 48°9°) | 45°7° | 80%, 0.1 in2.5 mm | 6 mph10 km/h from ESE | 88% | — | — |
| Mon 1a | Rain | 47°8° (likely 47°8° to 47°8°) | 44°7° | 80%, 0.1 in2.5 mm | 6 mph10 km/h from ESE | 88% | — | — |
| Mon 2a | Rain | 47°8° (likely 47°8° to 47°8°) | 45°7° | 80%, 0.1 in2.5 mm | 5 mph8 km/h from ESE | 88% | — | — |
| Mon 3a | Rain | 47°8° (likely 47°8° to 47°8°) | 45°7° | 80%, 0.1 in2.5 mm | 5 mph8 km/h from ESE | 87% | — | — |
| Mon 4a | Rain | 46°8° (likely 46°8° to 46°8°) | 44°7° | 80%, 0.1 in2.5 mm | 5 mph8 km/h from ESE | 86% | — | — |
| Mon 5a | Rain | 46°8° (likely 46°8° to 46°8°) | 45°7° | 70%, 0.08 in2 mm | 3 mph5 km/h from ESE | 86% | — | — |
| Mon 6a | Rain | 45°7° (likely 45°7° to 45°7°) | 44°7° | 70%, 0.08 in2 mm | 3 mph5 km/h from ESE | 87% | — | — |
| Mon 7a | Rain | 45°7° (likely 45°7° to 45°7°) | 44°7° | 70%, 0.08 in2 mm | 3 mph5 km/h from ESE | 90% | — | — |
| Mon 8a | Rain | 44°7° (likely 44°7° to 44°7°) | 42°6° | 70%, 0.08 in2 mm | 3 mph5 km/h from ESE | 91% | — | — |
Days ahead
Shaded: typical range for these dates (1991–2020)
Today, Oct 24. Mostly cloudy. High 63°17°, low 39°4°. Typical 59°15° / 38°3°. Dry. One forecast only.
Morning
6 AM–noon
Mostly cloudy, 52°11°Dry
Afternoon
noon–6 PM
Mostly cloudy, 62°17°Dry
Evening
6 PM–midnight
Mostly cloudy, 50°10°Dry
Overnight
midnight–6 AM
Rain, 43°6°30% chance · 0.07 in1.8 mm
Official NWS forecast
Today: Partly sunny. High near 63, with temperatures falling to around 59 in the afternoon. North wind around 1 mph.
Tonight: A chance of rain after 5am. Mostly cloudy. Low around 39, with temperatures rising to around 43 overnight. East northeast wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 55°13°–63°17°
- Low, likely
- 36°2°–39°4°
- Typical high / low
- 59°15° / 38°3°
- Wind
- 5 mph9 km/h
Tomorrow, Oct 25. Rain. High 60°16°, low 42°6°. Typical 58°14° / 38°3°. Rain 0.81 in21 mm, 70% chance. One forecast only.
Morning
6 AM–noon
Rain, 42°6°40% chance · 0.62 in16 mm
Afternoon
noon–6 PM
Rain, 59°15°70% chance · 1.4 in36 mm
Evening
6 PM–midnight
Rain, 51°11°80% chance · 0.5 in13 mm
Overnight
midnight–6 AM
Rain, 46°8°80% chance · 0.58 in15 mm
Official NWS forecast
Day: Rain likely. Mostly cloudy. High near 60, with temperatures falling to around 57 in the afternoon. East wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Night: Rain. Mostly cloudy, with a low around 42. East southeast wind 2 to 6 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 49°9°–60°16°
- Low, likely
- 42°6°–43°6°
- Typical high / low
- 58°14° / 38°3°
- Wind
- 8 mph12 km/h
Monday, Oct 26. Rain. High 59°15°, low 41°5°. Typical 58°14° / 38°3°. Rain 0.87 in22 mm, 70% chance. One forecast only.
Morning
6 AM–noon
Rain, 44°7°70% chance · 0.24 in6.1 mm
Official NWS forecast
Day: Rain likely. Mostly cloudy, with a high near 59. South southeast wind around 3 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Night: Rain likely before 9pm, then rain likely and areas of fog between 9pm and 5am, then areas of fog and a chance of rain. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 51°11°–59°15°
- Low, likely
- 41°5°–47°8°
- Typical high / low
- 58°14° / 38°3°
- Wind
- 7 mph11 km/h
Tuesday, Oct 27. Rain. High 59°15°, low 40°4°. Typical 58°14° / 38°3°. Rain 0.64 in16 mm, 40% chance. One forecast only.
Official NWS forecast
Day: A chance of rain and patchy fog before 7am, then areas of fog and a chance of rain between 7am and 8am, then a chance of rain and patchy fog. Mostly cloudy, with a high near 59.
Night: Rain likely. Mostly cloudy, with a low around 40.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 51°11°–59°15°
- Low, likely
- 40°4°–46°8°
- Typical high / low
- 58°14° / 38°3°
- Wind
- 7 mph10 km/h
Wednesday, Oct 28. Rain. High 58°14°, low 39°4°. Typical 57°14° / 38°3°. Rain 0.96 in24 mm, 60% chance. One forecast only.
Official NWS forecast
Day: Rain likely. Mostly cloudy, with a high near 58.
Night: Rain likely. Mostly cloudy, with a low around 39.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 49°9°–58°14°
- Low, likely
- 39°4°–43°6°
- Typical high / low
- 57°14° / 38°3°
- Wind
- 7 mph11 km/h
Thursday, Oct 29. Rain. High 58°14°, low 37°3°. Typical 57°14° / 38°3°. Rain 0.62 in16 mm, 50% chance. One forecast only.
Official NWS forecast
Day: A chance of rain. Partly sunny, with a high near 58.
Night: A chance of rain. Mostly cloudy, with a low around 37.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 47°8°–58°14°
- Low, likely
- 37°3°–41°5°
- Typical high / low
- 57°14° / 38°3°
- Wind
- 6 mph9 km/h
Friday, Oct 30. Rain. High 60°16°, low 36°2°. Typical 57°14° / 38°3°. Rain 0.21 in5.3 mm, 20% chance. One forecast only.
Official NWS forecast
Day: A slight chance of rain before 5pm. Partly sunny, with a high near 60.
Night: Partly cloudy, with a low around 36.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 47°8°–60°16°
- Low, likely
- 36°2°–39°4°
- Typical high / low
- 57°14° / 38°3°
- Wind
- 4 mph6 km/h
The outlook
Today
Dry, high 63°, low 39°.
Tomorrow
74% chance of rain, high 60°, low 42°, cooling off.
Monday
74% chance of rain, high 59°, low 41°.
Rest of week
Highs 58–60°; chance of precipitation on Tuesday, Wednesday, Thursday.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (PQR) (opens in a new tab)
What changed since yesterday
No meaningful changes from yesterday’s forecast.
Radar
Radar data: NOAA MRMS, rendered by forecast.blue
Radar loads when scrolled into view
Rivers
NOAA river gauges within 25 mi
Below flood stage
Columbia River at Vancouver
22 mi- Level
- 1.7 ft
Forecast peak 5.2 ft Wed 7 PM
Reading from Sat 8:30 AM · NWS gauge page
Lewis River at Ariel
4.3 mi- Level
- 2.5 ft
- Flow
- 2,570 cfs
Reading from Sat 8:30 AM · NWS gauge page
East Fork Lewis River near Heisson
5.6 mi- Level
- 10.0 ft
- Flow
- 35 cfs
Reading from Sat 8 AM · NWS gauge page
For your home
What this week’s weather means for heating, cooling, pipes and fresh air.
Heating this week
About 76% less heating than a typical week.
This week 29Typical 120
Heating degree days, base 65°F
Heat-pump hours, next 7 days
- h below 47°F
- 21
- h below 17°F
- 0
- h below 5°F
- 0
47, 17 and 5°F are the test points heat pumps are rated at.
Comfort
Dry air outside (dew point 41°F).
Open the windows?
Today, 1:00 PM–4:00 PM
Good stretch to open the windows.
Is this typical?
BATTLE GROUND · official normals 1991–2020 · records 1929–2026
Oct 24, today vs a typical year
Today’s expected high is 4°2° warmer than typical.
- Normal high / low
- 59°15° / 38°3°
- Forecast high / low
- 63°17° / 39°4°
- Record high
- 78°26° in 1964
- Record low
- 26°−3° in 1954
Last 7 days vs normal
- —SunOct 18
- —MonOct 19
- —TueOct 20
- —WedOct 21
- —ThuOct 22
- —FriOct 23
- —SatOct 24
Amboy weather by month: normals, records, snow and freeze dates
Sun & moon
Sun
Sunrise 7:39 AM, sunset 6:08 PM.
- Daylight
- 10 h 29 min
- Losing 2 min 58 s a day; shortest Dec 21, 1 h 50 min less
- Golden hour
- 5:26–6:26 PM
- Morning 7:20–8:21 AM
- Blue hour
- 6:26–6:38 PM
- Morning 7:08–7:20 AM; first light 7:08 AM
Stars tonight? Unknown
Cloud forecast not available for tonight.
Moon
Waxing gibbous
97% lit · growing
- Today
- sets 5:56 AM · rises 5:09 PM
- Full moon
- Oct 25
- New moon
- Nov 8
