National Weather Service forecast

St. Helens, Oregon Weather

41°Overnight: Mostly Clear
Wind SE 1 mph

St. Helens 7-Day Forecast

  1. Overnight
    41°F
    Mostly Clear
    2% chance of precipitation

    Mostly clear, with a low around 41. Southeast wind around 1 mph.

  2. Wednesday
    57°F
    Patchy Fog then Light Rain Likely
    65% chance of precipitation

    Patchy fog between 7am and 8am, then rain likely. Mostly cloudy. High near 57, with temperatures falling to around 54 in the afternoon. Southeast wind 1 to 6 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.

  3. Wednesday Night
    46°F
    Light Rain
    94% chance of precipitation

    Rain before 2am, then patchy fog. Mostly cloudy. Low around 46, with temperatures rising to around 48 overnight. South wind 0 to 3 mph. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible.

  4. Thursday
    57°F
    Patchy Fog then Mostly Sunny
    5% chance of precipitation

    Patchy fog before 10am. Mostly sunny, with a high near 57. South southeast wind 0 to 3 mph.

  5. Thursday Night
    44°F
    Mostly Cloudy then Chance Light Rain
    43% chance of precipitation

    A chance of rain after 4am. Mostly cloudy, with a low around 44. Southeast wind around 2 mph. Chance of precipitation is 40%.

  6. Friday
    56°F
    Chance Light Rain
    51% chance of precipitation

    A chance of rain. Cloudy, with a high near 56. Chance of precipitation is 50%.

  7. Friday Night
    48°F
    Chance Light Rain
    41% chance of precipitation

    A chance of rain before 4am. Mostly cloudy, with a low around 48.

  8. Saturday
    63°F
    Partly Sunny then Chance Light Rain
    26% chance of precipitation

    A chance of rain after 4pm. Partly sunny, with a high near 63.

  9. Saturday Night
    50°F
    Light Rain
    77% chance of precipitation

    Rain. Mostly cloudy, with a low around 50.

  10. Sunday
    57°F
    Chance Light Rain
    41% chance of precipitation

    A chance of rain. Mostly cloudy, with a high near 57.

  11. Sunday Night
    45°F
    Slight Chance Light Rain
    15% chance of precipitation

    A slight chance of rain. Mostly cloudy, with a low around 45.

  12. Monday
    56°F
    Chance Light Rain
    39% chance of precipitation

    A chance of rain. Mostly cloudy, with a high near 56.

  13. Monday Night
    47°F
    Chance Light Rain
    43% chance of precipitation

    A chance of rain. Mostly cloudy, with a low around 47.

  14. Tuesday
    58°F
    Chance Light Rain
    44% chance of precipitation

    A chance of rain. Mostly cloudy, with a high near 58.

Issued by the National Weather Service (PQR office), updated .

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About St. Helens

Population (2020 Census)
13,817
Coordinates
45.857, -122.816
Elevation
98 ft
NWS forecast office
PQR
Time zone
America/Los Angeles
Sunrise today
6:55 AM PST
Sunset today
4:53 PM PST
Daylight today
9 h 58 min

St. Helens Weather Questions

What is the weather forecast for St. Helens, Oregon?

Overnight: Mostly clear, with a low around 41. Southeast wind around 1 mph. Wednesday: Patchy fog between 7am and 8am, then rain likely. Mostly cloudy. High near 57, with temperatures falling to around 54 in the afternoon. Southeast wind 1 to 6 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.

Will it rain or snow in St. Helens this week?

The best chance of precipitation is Wednesday Night at 94%. Periods with a 30% chance or more: Wednesday (65%), Wednesday Night (94%), Thursday Night (43%), Friday (51%), Friday Night (41%), Saturday Night (77%), Sunday (41%), Monday (39%), Monday Night (43%), Tuesday (44%).

How warm and how cold will it get in St. Helens this week?

The warmest day is Saturday, with a high near 63°F. The coldest night is Overnight, with a low near 41°F.

What time are sunrise and sunset in St. Helens today?

Sunrise is at 6:55 AM PST and sunset is at 4:53 PM PST, for 9 h 58 min of daylight.

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