Monthly outlook for Mount Shasta, CA: average high 58.5°, average low 42°. That is 0.1° below the climate normal for October. Precipitation is expected on 4 days (about 2.0 inches), against a normal of 5 days and 2.7 inches. The warmest day looks like 30 October (67.5°), the coolest 27 October (33.9°).
58.5°/42°
Average high / low
−0.1°
Below normal
4 / 5
Wet days / normal
2.0 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
22 October – 31 October
59.7°
59.8°
-0°
1 November – 10 November
56.5°
55°
+0.8°
11 November – 20 November
at normal
49.9°
—
October records over 66 years
91.4°1 October 2020All-time high
24.1°27 October 2004All-time low
Fri, 2355° / 38°0
55 °
Mount Shasta, Friday, 23 October
Clear. High 55°, low 38°.
Pressure30.27 inHg
Wind9.1 mph N
Humidity67%
Visibility3.2 mi
Dew point23°
Sat, 2463° / 37°0
63 °
Mount Shasta, Saturday, 24 October
Mostly clear. High 63°, low 37°.
Pressure30.09 inHg
Wind1.4 mph S
Humidity34%
Visibility6.2 mi
Dew point20°
Sun, 2561° / 41°0
61 °
Mount Shasta, Sunday, 25 October
Overcast. High 61°, low 41°.
Pressure30.06 inHg
Wind7 mph SE
Humidity40%
Visibility6.2 mi
Dew point30°
Mon, 2654° / 37°0.02
54 °
Mount Shasta, Monday, 26 October
Light rain. High 54°, low 37°.
Pressure30.06 inHg
Wind9.1 mph SE
Humidity57%
Visibility—
Dew point35°
Tue, 2756° / 34°0
56 °
Mount Shasta, Tuesday, 27 October
Clear. High 56°, low 34°.
Pressure30.15 inHg
Wind4.7 mph NW
Humidity52%
Visibility—
Dew point30°
Wed, 2861° / 38°0
61 °
Mount Shasta, Wednesday, 28 October
Clear. High 61°, low 38°.
Pressure30.06 inHg
Wind4.8 mph N
Humidity36%
Visibility—
Dew point26°
Thu, 2966° / 42°0
66 °
Mount Shasta, Thursday, 29 October
Clear. High 66°, low 42°.
Pressure29.94 inHg
Wind4.2 mph N
Humidity22%
Visibility—
Dew point19°
Fri, 3068° / 44°0
68 °
Mount Shasta, Friday, 30 October
Clear. High 68°, low 44°.
Pressure29.88 inHg
Wind4.5 mph NW
Humidity19%
Visibility—
Dew point18°
Sat, 3163° / 42°0
63 °
Mount Shasta, Saturday, 31 October
Clear. High 63°, low 42°.
Pressure29.88 inHg
Wind3.4 mph SE
Humidity23%
Visibility—
Dew point19°
Sun, 0163° / 42°0
63 °
Mount Shasta, Sunday, 1 November
Partly cloudy. High 63°, low 42°.
Pressure29.83 inHg
Wind4.8 mph S
Humidity26%
Visibility—
Dew point22°
Mon, 0262° / 45°0
62 °
Mount Shasta, Monday, 2 November
Overcast. High 62°, low 45°.
Pressure29.94 inHg
Wind6.3 mph S
Humidity30%
Visibility—
Dew point25°
Tue, 0352° / 50°0.06
52 °
Mount Shasta, Tuesday, 3 November
Light rain. High 52°, low 50°.
Pressure30.09 inHg
Wind6.1 mph SE
Humidity95%
Visibility—
Dew point50°
Wed, 0461° / 48°0
61 °
Mount Shasta, Wednesday, 4 November
Overcast. High 61°, low 48°.
Pressure30.12 inHg
Wind8.3 mph S
Humidity79%
Visibility—
Dew point47°
Thu, 0556° / 45°0.36
56 °
Mount Shasta, Thursday, 5 November
Rain. High 56°, low 45°.
Pressure29.97 inHg
Wind11.6 mph S
Humidity83%
Visibility—
Dew point47°
Fri, 0646° / 45°1.01
46 °
Mount Shasta, Friday, 6 November
Rain. High 46°, low 45°.
Pressure29.91 inHg
Wind6.8 mph S
Humidity96%
Visibility—
Dew point45°
From day 17 onward the outlook is built from 60-year climate statistics
Sat, 0754° / 39°0.27
54 °
Mount Shasta, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high54°
Average low39°
Average precipitation0.27 in
Chance of precipitation40%
Record high74° (1991)
Record low27° (2011)
Sun, 0853° / 38°0.22
53 °
Mount Shasta, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high53°
Average low38°
Average precipitation0.22 in
Chance of precipitation37%
Record high71° (2014)
Record low20° (1994)
Mon, 0951° / 37°0.24
51 °
Mount Shasta, Monday, 9 November
Climate normal for this date — 60-year average.
Average high51°
Average low37°
Average precipitation0.24 in
Chance of precipitation42%
Record high71° (2019)
Record low20° (1998)
Tue, 1051° / 37°0.22
51 °
Mount Shasta, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high51°
Average low37°
Average precipitation0.22 in
Chance of precipitation37%
Record high69° (2019)
Record low17° (1985)
Wed, 1152° / 37°0.24
52 °
Mount Shasta, Wednesday, 11 November
Climate normal for this date — 60-year average.
Average high52°
Average low37°
Average precipitation0.24 in
Chance of precipitation38%
Record high68° (1991)
Record low11° (1985)
Thu, 1252° / 37°0.21
52 °
Mount Shasta, Thursday, 12 November
Climate normal for this date — 60-year average.
Average high52°
Average low37°
Average precipitation0.21 in
Chance of precipitation40%
Record high67° (2021)
Record low5° (1985)
Fri, 1351° / 37°0.35
51 °
Mount Shasta, Friday, 13 November
Climate normal for this date — 60-year average.
Average high51°
Average low37°
Average precipitation0.35 in
Chance of precipitation37%
Record high73° (1995)
Record low6° (1985)
Sat, 1451° / 36°0.18
51 °
Mount Shasta, Saturday, 14 November
Climate normal for this date — 60-year average.
Average high51°
Average low36°
Average precipitation0.18 in
Chance of precipitation35%
Record high74° (1995)
Record low15° (1964)
Sun, 1550° / 37°0.22
50 °
Mount Shasta, Sunday, 15 November
Climate normal for this date — 60-year average.
Average high50°
Average low37°
Average precipitation0.22 in
Chance of precipitation42%
Record high71° (2008)
Record low14° (1964)
Mon, 1649° / 36°0.27
49 °
Mount Shasta, Monday, 16 November
Climate normal for this date — 60-year average.
Average high49°
Average low36°
Average precipitation0.27 in
Chance of precipitation45%
Record high73° (2008)
Record low14° (1964)
Tue, 1749° / 36°0.26
49 °
Mount Shasta, Tuesday, 17 November
Climate normal for this date — 60-year average.
Average high49°
Average low36°
Average precipitation0.26 in
Chance of precipitation40%
Record high71° (2019)
Record low18° (1964)
Wed, 1849° / 34°0.19
49 °
Mount Shasta, Wednesday, 18 November
Climate normal for this date — 60-year average.
Average high49°
Average low34°
Average precipitation0.19 in
Chance of precipitation37%
Record high67° (2019)
Record low16° (1985)
Thu, 1948° / 34°0.27
48 °
Mount Shasta, Thursday, 19 November
Climate normal for this date — 60-year average.
Average high48°
Average low34°
Average precipitation0.27 in
Chance of precipitation43%
Record high63° (2005)
Record low15° (1985)
Fri, 2048° / 35°0.34
48 °
Mount Shasta, Friday, 20 November
Climate normal for this date — 60-year average.
Average high48°
Average low35°
Average precipitation0.34 in
Chance of precipitation52%
Record high66° (2002)
Record low20° (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 Mount Shasta, CA 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 Mount Shasta, CA 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.