Monthly outlook for Jamestown, CA: average high 67°, average low 50.7°. That is 0.8° above the climate normal for October. Precipitation is expected on 5 days (about 2.6 inches), against a normal of 3 days and 1.3 inches. The warmest day looks like 10 November (78.7°), the coolest 2 November (43.6°).
67°/50.7°
Average high / low
+0.8°
Above normal
5 / 3
Wet days / normal
2.6 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
29 October – 7 November
65.8°
67°
-0.7°
8 November – 17 November
68.9°
62.6°
+3.5°
18 November – 27 November
at normal
58.9°
—
October records over 66 years
101.1°2 October 2024All-time high
36°30 October 1971All-time low
Climate normals and records are computed from the nearest reference point — Chinese Camp (6 mi).
Fri, 3065° / 51°0.02
65 °
Jamestown, Friday, 30 October
Light rain. High 65°, low 51°.
Pressure29.88 inHg
Wind5.6 mph S
Humidity48%
Visibility6.2 mi
Dew point44°
Sat, 3164° / 52°0.31
64 °
Jamestown, Saturday, 31 October
Rain. High 64°, low 52°.
Pressure29.94 inHg
Wind9.3 mph S
Humidity62%
Visibility6.2 mi
Dew point49°
Sun, 0162° / 49°0.28
62 °
Jamestown, Sunday, 1 November
Rain. High 62°, low 49°.
Pressure29.97 inHg
Wind6.6 mph NW
Humidity61%
Visibility6.2 mi
Dew point45°
Mon, 0263° / 44°0
63 °
Jamestown, Monday, 2 November
Clear. High 63°, low 44°.
Pressure30.18 inHg
Wind4.5 mph S
Humidity53%
Visibility—
Dew point40°
Tue, 0373° / 47°0
73 °
Jamestown, Tuesday, 3 November
Overcast. High 73°, low 47°.
Pressure30.15 inHg
Wind5 mph NE
Humidity40%
Visibility—
Dew point40°
Wed, 0466° / 51°0.11
66 °
Jamestown, Wednesday, 4 November
Light rain. High 66°, low 51°.
Pressure30.03 inHg
Wind7.2 mph S
Humidity86%
Visibility—
Dew point47°
Thu, 0562° / 51°0
62 °
Jamestown, Thursday, 5 November
Overcast. High 62°, low 51°.
Pressure29.97 inHg
Wind5.2 mph W
Humidity52%
Visibility—
Dew point42°
Fri, 0667° / 49°0
67 °
Jamestown, Friday, 6 November
Clear. High 67°, low 49°.
Pressure30.00 inHg
Wind7.8 mph W
Humidity46%
Visibility—
Dew point40°
Sat, 0769° / 51°0
69 °
Jamestown, Saturday, 7 November
Overcast. High 69°, low 51°.
Pressure30.09 inHg
Wind6.5 mph W
Humidity36%
Visibility—
Dew point37°
Sun, 0871° / 53°0
71 °
Jamestown, Sunday, 8 November
Mostly clear. High 71°, low 53°.
Pressure30.18 inHg
Wind5.7 mph W
Humidity43%
Visibility—
Dew point42°
Mon, 0976° / 56°0
76 °
Jamestown, Monday, 9 November
Overcast. High 76°, low 56°.
Pressure30.12 inHg
Wind4.8 mph SW
Humidity25%
Visibility—
Dew point31°
Tue, 1079° / 58°0
79 °
Jamestown, Tuesday, 10 November
Overcast. High 79°, low 58°.
Pressure29.97 inHg
Wind5.7 mph E
Humidity19%
Visibility—
Dew point28°
Wed, 1174° / 57°0
74 °
Jamestown, Wednesday, 11 November
Partly cloudy. High 74°, low 57°.
Pressure29.83 inHg
Wind11.6 mph S
Humidity22%
Visibility—
Dew point29°
Thu, 1261° / 49°1.64
61 °
Jamestown, Thursday, 12 November
Rain. High 61°, low 49°.
Pressure29.65 inHg
Wind13.7 mph SE
Humidity82%
Visibility—
Dew point49°
Fri, 1352° / 49°0.19
52 °
Jamestown, Friday, 13 November
Light rain. High 52°, low 49°.
Pressure30.06 inHg
Wind4 mph SE
Humidity77%
Visibility—
Dew point45°
From day 17 onward the outlook is built from 60-year climate statistics
Sat, 1463° / 44°0.13
63 °
Jamestown, Saturday, 14 November
Climate normal for this date — 60-year average.
Average high63°
Average low44°
Average precipitation0.13 in
Chance of precipitation22%
Record high76° (1995)
Record low27° (1964)
Sun, 1563° / 44°0.06
63 °
Jamestown, Sunday, 15 November
Climate normal for this date — 60-year average.
Average high63°
Average low44°
Average precipitation0.06 in
Chance of precipitation18%
Record high76° (2008)
Record low29° (1985)
Mon, 1661° / 44°0.11
61 °
Jamestown, Monday, 16 November
Climate normal for this date — 60-year average.
Average high61°
Average low44°
Average precipitation0.11 in
Chance of precipitation28%
Record high77° (2008)
Record low31° (1964)
Tue, 1761° / 44°0.2
61 °
Jamestown, Tuesday, 17 November
Climate normal for this date — 60-year average.
Average high61°
Average low44°
Average precipitation0.2 in
Chance of precipitation28%
Record high79° (2008)
Record low32° (1964)
Wed, 1861° / 43°0.11
61 °
Jamestown, Wednesday, 18 November
Climate normal for this date — 60-year average.
Average high61°
Average low43°
Average precipitation0.11 in
Chance of precipitation23%
Record high76° (2008)
Record low29° (1994)
Thu, 1960° / 42°0.09
60 °
Jamestown, Thursday, 19 November
Climate normal for this date — 60-year average.
Average high60°
Average low42°
Average precipitation0.09 in
Chance of precipitation20%
Record high73° (2005)
Record low23° (1994)
Fri, 2060° / 42°0.13
60 °
Jamestown, Friday, 20 November
Climate normal for this date — 60-year average.
Average high60°
Average low42°
Average precipitation0.13 in
Chance of precipitation28%
Record high76° (1995)
Record low27° (1994)
Sat, 2158° / 42°0.13
58 °
Jamestown, Saturday, 21 November
Climate normal for this date — 60-year average.
Average high58°
Average low42°
Average precipitation0.13 in
Chance of precipitation23%
Record high75° (2002)
Record low28° (1985)
Sun, 2259° / 42°0.13
59 °
Jamestown, Sunday, 22 November
Climate normal for this date — 60-year average.
Average high59°
Average low42°
Average precipitation0.13 in
Chance of precipitation28%
Record high73° (2017)
Record low33° (1985)
Mon, 2359° / 41°0.09
59 °
Jamestown, Monday, 23 November
Climate normal for this date — 60-year average.
Average high59°
Average low41°
Average precipitation0.09 in
Chance of precipitation15%
Record high73° (2005)
Record low29° (1994)
Tue, 2459° / 41°0.12
59 °
Jamestown, Tuesday, 24 November
Climate normal for this date — 60-year average.
Average high59°
Average low41°
Average precipitation0.12 in
Chance of precipitation22%
Record high76° (1995)
Record low25° (2010)
Wed, 2558° / 40°0.07
58 °
Jamestown, Wednesday, 25 November
Climate normal for this date — 60-year average.
Average high58°
Average low40°
Average precipitation0.07 in
Chance of precipitation25%
Record high73° (1995)
Record low26° (2010)
Thu, 2658° / 40°0.12
58 °
Jamestown, Thursday, 26 November
Climate normal for this date — 60-year average.
Average high58°
Average low40°
Average precipitation0.12 in
Chance of precipitation23%
Record high70° (2014)
Record low28° (1984)
Fri, 2757° / 40°0.1
57 °
Jamestown, Friday, 27 November
Climate normal for this date — 60-year average.
Average high57°
Average low40°
Average precipitation0.1 in
Chance of precipitation22%
Record high73° (2014)
Record low30° (1994)
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 Jamestown, 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 Jamestown, 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.