Monthly outlook for Sisco Heights, WA: average high 54.9°, average low 40.8°. That is 2.1° above the climate normal for October. Precipitation is expected on 4 days (about 0.6 inches), against a normal of 10 days and 4.9 inches. The warmest day looks like 7 November (68.3°), the coolest 1 November (33.2°).
54.9°/40.8°
Average high / low
+2.1°
Above normal
4 / 10
Wet days / normal
0.6 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
30 October – 8 November
56.1°
51.9°
+2.3°
9 November – 18 November
52.9°
49.2°
+2.1°
19 November – 28 November
at normal
45.7°
—
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 (3 mi).
Sat, 3154° / 39°0
54 °
Sisco Heights, Saturday, 31 October
Overcast. High 54°, low 39°.
Pressure30.03 inHg
Wind1.5 mph NW
Humidity77%
Visibility6.2 mi
Dew point44°
Sun, 0152° / 33°0
52 °
Sisco Heights, Sunday, 1 November
Partly cloudy. High 52°, low 33°.
Pressure30.09 inHg
Wind2.3 mph S
Humidity76%
Visibility6.2 mi
Dew point41°
Mon, 0253° / 34°0
53 °
Sisco Heights, Monday, 2 November
Overcast. High 53°, low 34°.
Pressure30.24 inHg
Wind0.6 mph W
Humidity71%
Visibility2.6 mi
Dew point40°
Tue, 0354° / 41°0
54 °
Sisco Heights, Tuesday, 3 November
Overcast. High 54°, low 41°.
Pressure30.21 inHg
Wind3.5 mph W
Humidity74%
Visibility—
Dew point40°
Wed, 0460° / 38°0
60 °
Sisco Heights, Wednesday, 4 November
Clear. High 60°, low 38°.
Pressure29.94 inHg
Wind3.6 mph E
Humidity74%
Visibility—
Dew point40°
Thu, 0553° / 43°0
53 °
Sisco Heights, Thursday, 5 November
Light rain. High 53°, low 43°.
Pressure29.91 inHg
Wind3.2 mph S
Humidity58%
Visibility—
Dew point38°
Fri, 0655° / 44°0
55 °
Sisco Heights, Friday, 6 November
Overcast. High 55°, low 44°.
Pressure30.15 inHg
Wind5.2 mph SE
Humidity67%
Visibility—
Dew point41°
Sat, 0768° / 52°0
68 °
Sisco Heights, Saturday, 7 November
Overcast. High 68°, low 52°.
Pressure30.12 inHg
Wind5.4 mph SE
Humidity54%
Visibility—
Dew point44°
Sun, 0863° / 51°0
63 °
Sisco Heights, Sunday, 8 November
Overcast. High 63°, low 51°.
Pressure29.80 inHg
Wind5.6 mph SE
Humidity50%
Visibility—
Dew point39°
Mon, 0956° / 47°0.17
56 °
Sisco Heights, Monday, 9 November
Light rain. High 56°, low 47°.
Pressure29.56 inHg
Wind11.3 mph SE
Humidity62%
Visibility—
Dew point40°
Tue, 1054° / 44°0.28
54 °
Sisco Heights, Tuesday, 10 November
Light rain. High 54°, low 44°.
Pressure29.41 inHg
Wind11.3 mph SE
Humidity65%
Visibility—
Dew point38°
Wed, 1150° / 40°0.04
50 °
Sisco Heights, Wednesday, 11 November
Light rain. High 50°, low 40°.
Pressure29.53 inHg
Wind11.1 mph SE
Humidity76%
Visibility—
Dew point39°
Thu, 1251° / 36°0
51 °
Sisco Heights, Thursday, 12 November
Partly cloudy. High 51°, low 36°.
Pressure30.06 inHg
Wind2.7 mph SE
Humidity69%
Visibility—
Dew point36°
Fri, 1352° / 35°0
52 °
Sisco Heights, Friday, 13 November
Mostly clear. High 52°, low 35°.
Pressure30.36 inHg
Wind2.9 mph E
Humidity62%
Visibility—
Dew point32°
Sat, 1453° / 37°0
53 °
Sisco Heights, Saturday, 14 November
Overcast. High 53°, low 37°.
Pressure30.24 inHg
Wind3 mph W
Humidity45%
Visibility—
Dew point26°
From day 17 onward the outlook is built from 60-year climate statistics
Sun, 1549° / 39°0.34
49 °
Sisco Heights, Sunday, 15 November
Climate normal for this date — 60-year average.
Average high49°
Average low39°
Average precipitation0.34 in
Chance of precipitation70%
Record high57° (2008)
Record low29° (1978)
Mon, 1648° / 39°0.33
48 °
Sisco Heights, Monday, 16 November
Climate normal for this date — 60-year average.
Average high48°
Average low39°
Average precipitation0.33 in
Chance of precipitation75%
Record high61° (1965)
Record low27° (2023)
Tue, 1748° / 38°0.31
48 °
Sisco Heights, Tuesday, 17 November
Climate normal for this date — 60-year average.
Average high48°
Average low38°
Average precipitation0.31 in
Chance of precipitation68%
Record high59° (2008)
Record low26° (2021)
Wed, 1847° / 38°0.26
47 °
Sisco Heights, Wednesday, 18 November
Climate normal for this date — 60-year average.
Average high47°
Average low38°
Average precipitation0.26 in
Chance of precipitation62%
Record high58° (1965)
Record low21° (1985)
Thu, 1947° / 38°0.38
47 °
Sisco Heights, Thursday, 19 November
Climate normal for this date — 60-year average.
Average high47°
Average low38°
Average precipitation0.38 in
Chance of precipitation73%
Record high59° (1987)
Record low23° (1985)
Fri, 2047° / 38°0.32
47 °
Sisco Heights, Friday, 20 November
Climate normal for this date — 60-year average.
Average high47°
Average low38°
Average precipitation0.32 in
Chance of precipitation63%
Record high61° (2002)
Record low21° (1977)
Sat, 2146° / 37°0.31
46 °
Sisco Heights, Saturday, 21 November
Climate normal for this date — 60-year average.
Average high46°
Average low37°
Average precipitation0.31 in
Chance of precipitation57%
Record high58° (2002)
Record low13° (1985)
Sun, 2245° / 36°0.26
45 °
Sisco Heights, Sunday, 22 November
Climate normal for this date — 60-year average.
Average high45°
Average low36°
Average precipitation0.26 in
Chance of precipitation62%
Record high62° (2017)
Record low14° (1985)
Mon, 2345° / 37°0.45
45 °
Sisco Heights, Monday, 23 November
Climate normal for this date — 60-year average.
Average high45°
Average low37°
Average precipitation0.45 in
Chance of precipitation75%
Record high57° (2017)
Record low0° (1985)
Tue, 2446° / 37°0.37
46 °
Sisco Heights, Tuesday, 24 November
Climate normal for this date — 60-year average.
Average high46°
Average low37°
Average precipitation0.37 in
Chance of precipitation70%
Record high55° (1995)
Record low6° (1985)
Wed, 2545° / 37°0.37
45 °
Sisco Heights, Wednesday, 25 November
Climate normal for this date — 60-year average.
Average high45°
Average low37°
Average precipitation0.37 in
Chance of precipitation73%
Record high53° (1995)
Record low12° (1993)
Thu, 2645° / 36°0.25
45 °
Sisco Heights, Thursday, 26 November
Climate normal for this date — 60-year average.
Average high45°
Average low36°
Average precipitation0.25 in
Chance of precipitation58%
Record high56° (2014)
Record low16° (1985)
Fri, 2745° / 37°0.35
45 °
Sisco Heights, Friday, 27 November
Climate normal for this date — 60-year average.
Average high45°
Average low37°
Average precipitation0.35 in
Chance of precipitation70%
Record high55° (2014)
Record low19° (1985)
Sat, 2845° / 35°0.26
45 °
Sisco Heights, Saturday, 28 November
Climate normal for this date — 60-year average.
Average high45°
Average low35°
Average precipitation0.26 in
Chance of precipitation60%
Record high56° (2021)
Record low13° (1985)
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 Sisco Heights, 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 Sisco Heights, 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.