What is the weather in St. Helens right now?

Current weather in St. Helens is light rain.

Where can I find the hourly weather forecast for St. Helens?

This page shows hourly weather forecast for St. Helens, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for St. Helens updated regularly?

Weather data for St. Helens is updated regularly with the latest available observations and forecasts.

Now · 7:25 AM

St. Helens Weather & Hourly Forecast

United States · Oregon · 97051

60°F

Light rain

Feels like: 60°F

💧 Humidity 82% 🌡 Pressure 29.74 inHg 💨 Wind 3 mph 👁 Visibility 6.2 mi ☁ Clouds 100% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:33 AM 🌇 Sunset 7:48 PM

Hourly Forecast for St. Helens

Today

8:00 AM

Light rain

60° 💧 0.04 in 💨 3 mph H 82%29.74 inHg

11:00 AM

Light rain

59° 💧 0.16 in 💨 7 mph H 88%29.77 inHg

2:00 PM

Moderate rain

56° 💧 0.15 in 💨 12 mph H 96%29.74 inHg

5:00 PM

Moderate rain

55° 💧 0.11 in 💨 6 mph H 98%29.74 inHg

8:00 PM

Light rain

57° 💧 0.04 in 💨 3 mph H 98%29.77 inHg

11:00 PM

Light rain

54° 💧 0.01 in 💨 3 mph H 99%29.80 inHg

Tomorrow

2:00 AM

Partly cloudy night

53° 💧 None 💨 4 mph H 99%29.83 inHg

5:00 AM

Mostly cloudy night

53° 💧 0.01 in 💨 5 mph H 99%29.83 inHg

8:00 AM

Light rain

53° 💧 0.00 in 💨 4 mph H 97%29.85 inHg

11:00 AM

Overcast

60° 💧 0.03 in 💨 7 mph H 76%29.85 inHg

2:00 PM

Light rain

62° 💧 0.03 in 💨 4 mph H 89%29.83 inHg

5:00 PM

Light rain

59° 💧 0.01 in 💨 4 mph H 87%29.83 inHg

8:00 PM

Overcast night

57° 💧 None 💨 2 mph H 96%29.83 inHg

11:00 PM

Overcast night

55° 💧 None 💨 1 mph H 97%29.85 inHg

Friday

2:00 AM

Overcast night

48° 💧 None 💨 1 mph H 97%29.88 inHg

5:00 AM

Overcast night

47° 💧 None 💨 1 mph H 98%29.88 inHg

Today

8:00 AM

Light rain

60° 💧 0.01 in 💨 3 mph H 82%29.74 inHg

9:00 AM

Light rain

60° 💧 0.02 in 💨 5 mph H 84%29.74 inHg

10:00 AM

Light rain

60° 💧 0.01 in 💨 7 mph H 86%29.77 inHg

11:00 AM

Light rain

59° 💧 0.03 in 💨 7 mph H 88%29.77 inHg

12:00 PM

Moderate rain

58° 💧 0.06 in 💨 11 mph H 91%29.74 inHg

1:00 PM

Moderate rain

58° 💧 0.08 in 💨 10 mph H 97%29.74 inHg

2:00 PM

Moderate rain

56° 💧 0.07 in 💨 12 mph H 96%29.74 inHg

3:00 PM

Light rain

55° 💧 0.03 in 💨 10 mph H 97%29.74 inHg

4:00 PM

Moderate rain

55° 💧 0.05 in 💨 8 mph H 97%29.71 inHg

5:00 PM

Moderate rain

55° 💧 0.07 in 💨 6 mph H 98%29.74 inHg

6:00 PM

Light rain

57° 💧 0.03 in 💨 6 mph H 98%29.74 inHg

7:00 PM

Light rain

58° 💧 0.01 in 💨 5 mph H 98%29.74 inHg

8:00 PM

Light rain

57° 💧 0.01 in 💨 3 mph H 98%29.77 inHg

9:00 PM

Light rain

57° 💧 0.01 in 💨 3 mph H 98%29.77 inHg

10:00 PM

Light rain

56° 💧 0.01 in 💨 4 mph H 98%29.80 inHg

11:00 PM

Light rain

54° 💧 0.01 in 💨 3 mph H 99%29.80 inHg

Tomorrow

12:00 AM

Mostly clear night

53° 💧 None 💨 3 mph H 100%29.80 inHg

1:00 AM

Light rain

53° 💧 0.00 in 💨 4 mph H 100%29.83 inHg

2:00 AM

Partly cloudy night

53° 💧 None 💨 4 mph H 99%29.83 inHg

3:00 AM

Mostly cloudy night

53° 💧 None 💨 5 mph H 99%29.80 inHg

4:00 AM

Mostly cloudy night

53° 💧 None 💨 5 mph H 99%29.80 inHg

5:00 AM

Mostly cloudy night

53° 💧 None 💨 5 mph H 99%29.83 inHg

6:00 AM

Overcast night

53° 💧 None 💨 5 mph H 99%29.83 inHg

7:00 AM

Light rain

53° 💧 0.01 in 💨 4 mph H 99%29.83 inHg

8:00 AM

Light rain

53° 💧 0.00 in 💨 4 mph H 97%29.85 inHg

9:00 AM

Overcast

55° 💧 None 💨 5 mph H 95%29.85 inHg

10:00 AM

Overcast

58° 💧 None 💨 7 mph H 88%29.85 inHg

11:00 AM

Overcast

60° 💧 None 💨 7 mph H 76%29.85 inHg

12:00 PM

Light rain

62° 💧 0.01 in 💨 7 mph H 70%29.83 inHg

1:00 PM

Light rain

62° 💧 0.02 in 💨 6 mph H 77%29.83 inHg

2:00 PM

Light rain

62° 💧 0.01 in 💨 4 mph H 89%29.83 inHg

3:00 PM

Light rain

61° 💧 0.01 in 💨 4 mph H 86%29.83 inHg

4:00 PM

Light rain

61° 💧 0.01 in 💨 4 mph H 84%29.83 inHg

5:00 PM

Light rain

59° 💧 0.01 in 💨 4 mph H 87%29.83 inHg

6:00 PM

Light rain

60° 💧 0.00 in 💨 3 mph H 89%29.83 inHg

7:00 PM

Overcast

59° 💧 None 💨 3 mph H 89%29.83 inHg

8:00 PM

Overcast night

57° 💧 None 💨 2 mph H 96%29.83 inHg

9:00 PM

Overcast night

57° 💧 None 💨 0 mph H 97%29.85 inHg

10:00 PM

Overcast night

56° 💧 None 💨 1 mph H 97%29.85 inHg

11:00 PM

Overcast night

55° 💧 None 💨 1 mph H 97%29.85 inHg

Friday

12:00 AM

Overcast night

49° 💧 None 💨 1 mph H 97%29.85 inHg

1:00 AM

Overcast night

48° 💧 None 💨 1 mph H 97%29.88 inHg

2:00 AM

Overcast night

48° 💧 None 💨 1 mph H 97%29.88 inHg

3:00 AM

Overcast night

47° 💧 None 💨 1 mph H 97%29.88 inHg

4:00 AM

Overcast night

47° 💧 None 💨 1 mph H 98%29.88 inHg

5:00 AM

Overcast night

47° 💧 None 💨 1 mph H 98%29.88 inHg

6:00 AM

Overcast night

46° 💧 None 💨 1 mph H 98%29.91 inHg

7:00 AM

Overcast

47° 💧 None 💨 1 mph H 98%29.91 inHg

8:00 AM

Mostly cloudy

50° 💧 None 💨 1 mph H 93%29.94 inHg

9:00 AM

Mostly cloudy

54° 💧 None 💨 2 mph H 86%29.94 inHg

10:00 AM

Mostly cloudy

58° 💧 None 💨 3 mph H 80%29.94 inHg

11:00 AM

Mostly cloudy

60° 💧 None 💨 5 mph H 74%29.97 inHg

12:00 PM

Overcast

62° 💧 None 💨 6 mph H 68%29.97 inHg

1:00 PM

Light rain

65° 💧 0.01 in 💨 5 mph H 60%29.97 inHg

2:00 PM

Light rain

67° 💧 0.01 in 💨 5 mph H 51%29.94 inHg

3:00 PM

Overcast

69° 💧 None 💨 4 mph H 45%29.94 inHg

4:00 PM

Overcast

69° 💧 None 💨 2 mph H 43%29.94 inHg

5:00 PM

Overcast

66° 💧 None 💨 1 mph H 52%29.94 inHg

6:00 PM

Light rain

62° 💧 0.01 in 💨 3 mph H 67%29.94 inHg

7:00 PM

Light rain

60° 💧 0.01 in 💨 5 mph H 76%29.97 inHg

8:00 PM

Mostly cloudy night

56° 💧 None 💨 5 mph H 87%30.00 inHg

9:00 PM

Mostly cloudy night

55° 💧 None 💨 5 mph H 92%30.00 inHg

10:00 PM

Mostly cloudy night

52° 💧 None 💨 5 mph H 98%30.00 inHg

11:00 PM

Mostly cloudy night

50° 💧 None 💨 5 mph H 100%30.00 inHg

Saturday

12:00 AM

Clear night

49° 💧 None 💨 5 mph H 100%30.03 inHg

1:00 AM

Partly cloudy night

49° 💧 None 💨 3 mph H 99%30.03 inHg

2:00 AM

Mostly cloudy night

48° 💧 None 💨 2 mph H 99%30.03 inHg

3:00 AM

Mostly cloudy night

48° 💧 None 💨 3 mph H 99%30.03 inHg

4:00 AM

Mostly cloudy night

48° 💧 None 💨 3 mph H 99%30.03 inHg

5:00 AM

Mostly cloudy night

48° 💧 None 💨 1 mph H 98%30.06 inHg

6:00 AM

Overcast night

47° 💧 None 💨 1 mph H 98%30.06 inHg

7:00 AM

Overcast

47° 💧 None 💨 2 mph H 97%30.06 inHg

8:00 AM

Overcast

51° 💧 None 💨 1 mph H 90%30.09 inHg

9:00 AM

Overcast

56° 💧 None 💨 1 mph H 78%30.06 inHg

10:00 AM

Overcast

62° 💧 None 💨 0 mph H 63%30.06 inHg

11:00 AM

Overcast

68° 💧 None 💨 1 mph H 51%30.06 inHg

12:00 PM

Mostly cloudy

72° 💧 None 💨 1 mph H 43%30.03 inHg

1:00 PM

Partly cloudy

75° 💧 None 💨 2 mph H 37%30.00 inHg

2:00 PM

Mostly sunny

77° 💧 None 💨 2 mph H 32%30.00 inHg

3:00 PM

Mostly sunny

77° 💧 None 💨 2 mph H 30%29.97 inHg

4:00 PM

Partly cloudy

77° 💧 None 💨 3 mph H 29%29.97 inHg

5:00 PM

Partly cloudy

76° 💧 None 💨 5 mph H 29%29.94 inHg

6:00 PM

Overcast

74° 💧 None 💨 5 mph H 36%29.94 inHg

7:00 PM

Mostly cloudy

67° 💧 None 💨 6 mph H 49%29.97 inHg

8:00 PM

Mostly cloudy night

61° 💧 None 💨 6 mph H 58%29.97 inHg

9:00 PM

Partly cloudy night

58° 💧 None 💨 6 mph H 65%29.97 inHg

10:00 PM

Mostly cloudy night

56° 💧 None 💨 6 mph H 72%30.00 inHg

11:00 PM

Mostly cloudy night

56° 💧 None 💨 6 mph H 75%30.00 inHg

Sunday

12:00 AM

Overcast night

56° 💧 None 💨 6 mph H 75%30.00 inHg

1:00 AM

Overcast night

55° 💧 None 💨 5 mph H 78%30.00 inHg

2:00 AM

Overcast night

54° 💧 None 💨 4 mph H 82%30.00 inHg

3:00 AM

Overcast night

53° 💧 None 💨 4 mph H 84%30.00 inHg

4:00 AM

Overcast night

52° 💧 None 💨 5 mph H 86%30.00 inHg

5:00 AM

Overcast night

54° 💧 None 💨 5 mph H 81%30.00 inHg

6:00 AM

Overcast night

54° 💧 None 💨 6 mph H 81%30.00 inHg

7:00 AM

Overcast

54° 💧 None 💨 5 mph H 80%30.00 inHg

In St. Helens and, more broadly, across the state of Oregon: The evening will be mostly cloudy, with temperatures cooling into the low to mid-50s. A light west wind will blow at around 4 mph, with occasional gusts up to 7 mph. There is a chance of light rain, with some areas possibly seeing about 0.02 inches of accumulation, especially during the late evening hours. Conditions will remain relatively mild and quiet overnight, but there could be brief showers in spots. Overall, expect a cool and mostly cloudy night with light winds and a slight chance of rain.

15-Day Weather Outlook for St. Helens

TomorrowTomorrow

Light rain 60°/52° 💧 0.17 in 💨 7 mph

Friday, Sep 4Fri Sep 4

Light rain 67°/50° 💧 0.03 in 💨 6 mph

Saturday, Sep 5Sat Sep 5

Sunny 76°/46° 💧 None 💨 7 mph

Sunday, Sep 6Sun Sep 6

Sunny 79°/49° 💧 None 💨 6 mph

Monday, Sep 7Mon Sep 7

Sunny 79°/49° 💧 None 💨 6 mph

Tuesday, Sep 8Tue Sep 8

Overcast 76°/50° 💧 None 💨 7 mph

Wednesday, Sep 9Wed Sep 9

Sunny 83°/50° 💧 None 💨 7 mph

Thursday, Sep 10Thu Sep 10

Overcast 80°/52° 💧 None 💨 6 mph

Friday, Sep 11Fri Sep 11

Moderate rain 62°/49° 💧 0.30 in 💨 12 mph

Saturday, Sep 12Sat Sep 12

Light rain 58°/48° 💧 0.12 in 💨 12 mph

Sunday, Sep 13Sun Sep 13

Moderate rain 72°/50° 💧 0.36 in 💨 6 mph

Monday, Sep 14Mon Sep 14

Mostly cloudy 78°/45° 💧 None 💨 5 mph

Tuesday, Sep 15Tue Sep 15

Mostly cloudy 75°/48° 💧 None 💨 7 mph

Wednesday, Sep 16Wed Sep 16

Sunny 75°/51° 💧 None 💨 7 mph

Thursday, Sep 17Thu Sep 17

Overcast 66°/48° 💧 None 💨 9 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in St. Helens

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for St. Helens

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 8:00 AM

PM2.5 Fine particles Good 0,5µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 0,5µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Fair 74,4µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 0,6µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in St. Helens

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 1,2Low 🙂Fair

Tomorrow UV 4,5Moderate 🙂Fair

Friday UV 2,7Low 😊Good

Saturday UV 2,9Low 🙂Fair

Sunday UV 7,0High 😊Good

Monday UV 4,0Moderate —Unavailable

Tuesday UV 5,0Moderate —Unavailable

Hourly UV index today

8:00 AMUV 0,1 9:00 AMUV 0,3 10:00 AMUV 0,6 11:00 AMUV 0,9 12:00 PMUV 1,2 1:00 PMUV 0,9 2:00 PMUV 0,4 3:00 PMUV 0,3 4:00 PMUV 0,3 5:00 PMUV 0,2 6:00 PMUV 0,1 7:00 PMUV 0,0

Today's weather health advice Open today's recommendations.

Low UV risk

UV radiation will be low, although basic protection is still advisable during prolonged exposure.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for St. Helens

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

Internal PR simulation: 4.06 Population: 14,258

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Forecast data for St. Helens were last refreshed today at 7:20 AM. The current forecast period extends through 04/09/2026 at 5:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.