Monthly outlook for Granite Falls, WA: average high 59.4°, average low 44°. That is 2.3° above the climate normal for October. Precipitation is expected on 2 days (about 1.0 inches), against a normal of 9 days and 4.1 inches. The warmest day looks like 16 October (71.2°), the coolest 20 October (39.9°).
59.4°/44°
Average high / low
+2.3°
Above normal
2 / 9
Wet days / normal
1.0 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
16 October – 25 October
60.5°
56.6°
+2.2°
26 October – 4 November
57.7°
52.9°
+2.7°
5 November – 14 November
at normal
50.4°
—
October records over 66 years
84.2°1 October 1987All-time high
25.9°29 October 1991All-time low
Climate normals and records are computed from the nearest reference point — Marysville (9 mi).
Sat, 1761° / 47°0.57
61 °
Granite Falls, Saturday, 17 October
Heavy rain. High 61°, low 47°.
Pressure30.27 inHg
Wind6.2 mph NW
Humidity71%
Visibility6.2 mi
Dew point49°
Sun, 1861° / 44°0
61 °
Granite Falls, Sunday, 18 October
Overcast. High 61°, low 44°.
Pressure30.15 inHg
Wind4.5 mph NW
Humidity61%
Visibility6.2 mi
Dew point44°
Mon, 1959° / 46°0
59 °
Granite Falls, Monday, 19 October
Overcast. High 59°, low 46°.
Pressure29.88 inHg
Wind2.4 mph W
Humidity64%
Visibility2.1 mi
Dew point42°
Tue, 2060° / 40°0
60 °
Granite Falls, Tuesday, 20 October
Clear. High 60°, low 40°.
Pressure30.09 inHg
Wind4 mph W
Humidity70%
Visibility—
Dew point44°
Wed, 2165° / 44°0
65 °
Granite Falls, Wednesday, 21 October
Overcast. High 65°, low 44°.
Pressure30.00 inHg
Wind4.3 mph W
Humidity66%
Visibility—
Dew point45°
Thu, 2256° / 45°0
56 °
Granite Falls, Thursday, 22 October
Overcast. High 56°, low 45°.
Pressure29.94 inHg
Wind3.8 mph W
Humidity64%
Visibility—
Dew point40°
Fri, 2351° / 43°0
51 °
Granite Falls, Friday, 23 October
Overcast. High 51°, low 43°.
Pressure30.18 inHg
Wind3.4 mph E
Humidity84%
Visibility—
Dew point43°
Sat, 2461° / 40°0
61 °
Granite Falls, Saturday, 24 October
Clear. High 61°, low 40°.
Pressure30.18 inHg
Wind4 mph E
Humidity50%
Visibility—
Dew point35°
Sun, 2558° / 43°0
58 °
Granite Falls, Sunday, 25 October
Overcast. High 58°, low 43°.
Pressure30.12 inHg
Wind4.3 mph SW
Humidity49%
Visibility—
Dew point35°
Mon, 2658° / 41°0
58 °
Granite Falls, Monday, 26 October
Clear. High 58°, low 41°.
Pressure30.12 inHg
Wind3.7 mph W
Humidity63%
Visibility—
Dew point40°
Tue, 2756° / 44°0.02
56 °
Granite Falls, Tuesday, 27 October
Light rain. High 56°, low 44°.
Pressure29.85 inHg
Wind3.1 mph E
Humidity61%
Visibility—
Dew point39°
Wed, 2852° / 47°0.44
52 °
Granite Falls, Wednesday, 28 October
Rain. High 52°, low 47°.
Pressure29.91 inHg
Wind3.3 mph W
Humidity98%
Visibility—
Dew point49°
Thu, 2954° / 44°0
54 °
Granite Falls, Thursday, 29 October
Overcast. High 54°, low 44°.
Pressure30.24 inHg
Wind2.7 mph NE
Humidity86%
Visibility—
Dew point46°
Fri, 3063° / 42°0
63 °
Granite Falls, Friday, 30 October
Clear. High 63°, low 42°.
Pressure30.12 inHg
Wind3.6 mph E
Humidity61%
Visibility—
Dew point40°
Sat, 3162° / 47°0
62 °
Granite Falls, Saturday, 31 October
Overcast. High 62°, low 47°.
Pressure29.85 inHg
Wind5.9 mph E
Humidity46%
Visibility—
Dew point36°
From day 17 onward the outlook is built from 60-year climate statistics
Sun, 0153° / 41°0.31
53 °
Granite Falls, Sunday, 1 November
Climate normal for this date — 60-year average.
Average high53°
Average low41°
Average precipitation0.31 in
Chance of precipitation50%
Record high65° (1969)
Record low30° (2002)
Mon, 0253° / 41°0.26
53 °
Granite Falls, Monday, 2 November
Climate normal for this date — 60-year average.
Average high53°
Average low41°
Average precipitation0.26 in
Chance of precipitation58%
Record high66° (1962)
Record low30° (2002)
Tue, 0352° / 42°0.32
52 °
Granite Falls, Tuesday, 3 November
Climate normal for this date — 60-year average.
Average high52°
Average low42°
Average precipitation0.32 in
Chance of precipitation63%
Record high66° (2010)
Record low30° (2002)
Wed, 0453° / 42°0.38
53 °
Granite Falls, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high53°
Average low42°
Average precipitation0.38 in
Chance of precipitation62%
Record high67° (1980)
Record low30° (2003)
Thu, 0552° / 41°0.24
52 °
Granite Falls, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high52°
Average low41°
Average precipitation0.24 in
Chance of precipitation67%
Record high64° (1997)
Record low25° (1973)
Fri, 0651° / 41°0.33
51 °
Granite Falls, Friday, 6 November
Climate normal for this date — 60-year average.
Average high51°
Average low41°
Average precipitation0.33 in
Chance of precipitation65%
Record high59° (1979)
Record low26° (2003)
Sat, 0751° / 42°0.33
51 °
Granite Falls, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high51°
Average low42°
Average precipitation0.33 in
Chance of precipitation72%
Record high60° (2016)
Record low30° (2003)
Sun, 0851° / 41°0.28
51 °
Granite Falls, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high51°
Average low41°
Average precipitation0.28 in
Chance of precipitation58%
Record high67° (2016)
Record low30° (1977)
Mon, 0950° / 40°0.27
50 °
Granite Falls, Monday, 9 November
Climate normal for this date — 60-year average.
Average high50°
Average low40°
Average precipitation0.27 in
Chance of precipitation63%
Record high61° (2025)
Record low28° (1978)
Tue, 1051° / 40°0.25
51 °
Granite Falls, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high51°
Average low40°
Average precipitation0.25 in
Chance of precipitation48%
Record high64° (2016)
Record low27° (1986)
Wed, 1150° / 40°0.29
50 °
Granite Falls, Wednesday, 11 November
Climate normal for this date — 60-year average.
Average high50°
Average low40°
Average precipitation0.29 in
Chance of precipitation60%
Record high61° (1996)
Record low25° (1985)
Thu, 1250° / 40°0.35
50 °
Granite Falls, Thursday, 12 November
Climate normal for this date — 60-year average.
Average high50°
Average low40°
Average precipitation0.35 in
Chance of precipitation67%
Record high58° (1976)
Record low26° (1978)
Fri, 1350° / 40°0.36
50 °
Granite Falls, Friday, 13 November
Climate normal for this date — 60-year average.
Average high50°
Average low40°
Average precipitation0.36 in
Chance of precipitation65%
Record high63° (1967)
Record low25° (1978)
Sat, 1450° / 40°0.31
50 °
Granite Falls, Saturday, 14 November
Climate normal for this date — 60-year average.
Average high50°
Average low40°
Average precipitation0.31 in
Chance of precipitation58%
Record high62° (1999)
Record low26° (1978)
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 Granite Falls, WA 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 Granite Falls, WA 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.