As of 00:44 PST

Weather in St. Helens, OR

50°

St. Helens, Friday, 13 November, 00:44

Overcast. Feels like 49°. High 51°, low 48°.

Pressure29.41 inHg

Wind2 mph SW

Humidity91%

Visibility3.3 mi

Dew point48°

See detailed hourly forecast

Monthly outlook for St. Helens, OR: average high 49.8°, average low 40.5°. That is 0.3° above the climate normal for November. Precipitation is expected on 10 days (about 4.6 inches), against a normal of 10 days and 4.3 inches. The warmest day looks like 26 November (57.2°), the coolest 22 November (31.3°).

49.8°/40.5°

Average high / low

+0.3°

Above normal

10 / 10

Wet days / normal

4.6 in

Precipitation this month

Ten-day blocks vs climate normal

Period	Forecast high	Normal	Difference
13 November – 22 November	48.6°	50.2°	-0.9°
23 November – 2 December	51.7°	47.1°	+2.6°
3 December – 12 December	at normal	45.6°	—

November records over 66 years

69.8°4 November 1980All-time high

3.9°23 November 1985All-time low

Climate normals and records are computed from the nearest reference point — Prescott (14 mi).

Sat, 1454° / 46°

0.18

54 °

St. Helens, Saturday, 14 November

Rain. High 54°, low 46°.

Pressure29.74 inHg

Wind10.2 mph SE

Humidity77%

Visibility6.2 mi

Dew point47°

Sun, 1552° / 43°

0.48

52 °

St. Helens, Sunday, 15 November

Rain. High 52°, low 43°.

Pressure29.85 inHg

Wind7.3 mph S

Humidity90%

Visibility5.3 mi

Dew point49°

Mon, 1649° / 39°

0.08

49 °

St. Helens, Monday, 16 November

Light rain. High 49°, low 39°.

Pressure30.06 inHg

Wind7.9 mph S

Humidity87%

Visibility6.2 mi

Dew point44°

Tue, 1745° / 38°

45 °

St. Helens, Tuesday, 17 November

Overcast. High 45°, low 38°.

Pressure30.15 inHg

Wind8.9 mph SE

Humidity95%

Visibility—

Dew point40°

Wed, 1846° / 40°

0.54

46 °

St. Helens, Wednesday, 18 November

Rain. High 46°, low 40°.

Pressure29.97 inHg

Wind13.8 mph SE

Humidity93%

Visibility—

Dew point42°

Thu, 1948° / 35°

48 °

St. Helens, Thursday, 19 November

Overcast. High 48°, low 35°.

Pressure30.18 inHg

Wind5.8 mph NW

Humidity84%

Visibility—

Dew point38°

Fri, 2049° / 32°

49 °

St. Helens, Friday, 20 November

Clear. High 49°, low 32°.

Pressure30.18 inHg

Wind5.1 mph NW

Humidity72%

Visibility—

Dew point32°

Sat, 2149° / 32°

49 °

St. Helens, Saturday, 21 November

Overcast. High 49°, low 32°.

Pressure30.03 inHg

Wind3.2 mph SE

Humidity68%

Visibility—

Dew point31°

Sun, 2242° / 31°

42 °

St. Helens, Sunday, 22 November

Light rain. High 42°, low 31°.

Pressure30.15 inHg

Wind4.1 mph SE

Humidity68%

Visibility—

Dew point30°

Mon, 2351° / 43°

0.01

51 °

St. Helens, Monday, 23 November

Light rain. High 51°, low 43°.

Pressure30.21 inHg

Wind2.7 mph SE

Humidity87%

Visibility—

Dew point43°

Tue, 2447° / 44°

0.11

47 °

St. Helens, Tuesday, 24 November

Light rain. High 47°, low 44°.

Pressure30.18 inHg

Wind4 mph SE

Humidity95%

Visibility—

Dew point44°

Wed, 2550° / 47°

0.12

50 °

St. Helens, Wednesday, 25 November

Light rain. High 50°, low 47°.

Pressure30.27 inHg

Wind5.4 mph SE

Humidity95%

Visibility—

Dew point47°

Thu, 2657° / 43°

0.93

57 °

St. Helens, Thursday, 26 November

Rain. High 57°, low 43°.

Pressure30.21 inHg

Wind7 mph NW

Humidity94%

Visibility—

Dew point51°

Fri, 2750° / 41°

0.08

50 °

St. Helens, Friday, 27 November

Light rain. High 50°, low 41°.

Pressure30.21 inHg

Wind4.8 mph E

Humidity83%

Visibility—

Dew point42°

Sat, 2854° / 45°

1.58

54 °

St. Helens, Saturday, 28 November

Heavy rain. High 54°, low 45°.

Pressure29.47 inHg

Wind12.2 mph S

Humidity94%

Visibility—

Dew point51°

From day 17 onward the outlook is built from 60-year climate statistics

Sun, 2946° / 37°

0.22

46 °

St. Helens, Sunday, 29 November

Climate normal for this date — 60-year average.

Average high46°

Average low37°

Average precipitation0.22 in

Chance of precipitation53%

Record high56° (1999)

Record low15° (1985)

Mon, 3047° / 36°

0.3

47 °

St. Helens, Monday, 30 November

Climate normal for this date — 60-year average.

Average high47°

Average low36°

Average precipitation0.3 in

Chance of precipitation63%

Record high59° (2008)

Record low6° (1985)

Tue, 0146° / 37°

0.28

46 °

St. Helens, Tuesday, 1 December

Climate normal for this date — 60-year average.

Average high46°

Average low37°

Average precipitation0.28 in

Chance of precipitation65%

Record high57° (2021)

Record low19° (1985)

Wed, 0247° / 37°

0.34

47 °

St. Helens, Wednesday, 2 December

Climate normal for this date — 60-year average.

Average high47°

Average low37°

Average precipitation0.34 in

Chance of precipitation62%

Record high55° (1975)

Record low22° (1985)

Thu, 0347° / 37°

0.31

47 °

St. Helens, Thursday, 3 December

Climate normal for this date — 60-year average.

Average high47°

Average low37°

Average precipitation0.31 in

Chance of precipitation58%

Record high56° (1979)

Record low25° (1994)

Fri, 0446° / 36°

0.29

46 °

St. Helens, Friday, 4 December

Climate normal for this date — 60-year average.

Average high46°

Average low36°

Average precipitation0.29 in

Chance of precipitation57%

Record high58° (2023)

Record low22° (1994)

Sat, 0546° / 36°

0.22

46 °

St. Helens, Saturday, 5 December

Climate normal for this date — 60-year average.

Average high46°

Average low36°

Average precipitation0.22 in

Chance of precipitation48%

Record high58° (2023)

Record low23° (1972)

Sun, 0646° / 36°

0.28

46 °

St. Helens, Sunday, 6 December

Climate normal for this date — 60-year average.

Average high46°

Average low36°

Average precipitation0.28 in

Chance of precipitation55%

Record high55° (2023)

Record low20° (1972)

Mon, 0745° / 36°

0.23

45 °

St. Helens, Monday, 7 December

Climate normal for this date — 60-year average.

Average high45°

Average low36°

Average precipitation0.23 in

Chance of precipitation52%

Record high57° (2025)

Record low12° (1972)

Tue, 0846° / 36°

0.24

46 °

St. Helens, Tuesday, 8 December

Climate normal for this date — 60-year average.

Average high46°

Average low36°

Average precipitation0.24 in

Chance of precipitation58%

Record high58° (1962)

Record low4° (1972)

Wed, 0945° / 35°

0.3

45 °

St. Helens, Wednesday, 9 December

Climate normal for this date — 60-year average.

Average high45°

Average low35°

Average precipitation0.3 in

Chance of precipitation62%

Record high56° (2014)

Record low8° (1972)

Thu, 1046° / 37°

0.34

46 °

St. Helens, Thursday, 10 December

Climate normal for this date — 60-year average.

Average high46°

Average low37°

Average precipitation0.34 in

Chance of precipitation67%

Record high58° (1993)

Record low8° (1972)

Fri, 1146° / 37°

0.31

46 °

St. Helens, Friday, 11 December

Climate normal for this date — 60-year average.

Average high46°

Average low37°

Average precipitation0.31 in

Chance of precipitation70%

Record high58° (2025)

Record low18° (1972)

Sat, 1246° / 37°

0.27

46 °

St. Helens, Saturday, 12 December

Climate normal for this date — 60-year average.

Average high46°

Average low37°

Average precipitation0.27 in

Chance of precipitation57%

Record high57° (1988)

Record low28° (1972)

About the monthly outlook

How accurate is a 30-day forecast?

The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for St. Helens, OR are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.

What does "above normal" mean?

We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.

Where do the 66-year records come from?

They are real temperature extremes recorded in St. Helens, OR since 1960: the highest and lowest reading for each calendar date, with the year it happened.

How often is it updated?

The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.