Monthly outlook for Berryessa, CA: average high 71.3°, average low 54.6°. That is 0.3° above the climate normal for October. Precipitation is expected on 1 day (about 0.4 inches), against a normal of 2 days and 0.7 inches. The warmest day looks like 2 November (78.8°), the coolest 31 October (50.2°).
71.3°/54.6°
Average high / low
+0.3°
Above normal
1 / 2
Wet days / normal
0.4 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
21 October – 30 October
70.8°
71.4°
-0.3°
31 October – 9 November
72°
68.3°
+2°
10 November – 19 November
at normal
64.2°
—
October records over 66 years
104.9°2 October 2024All-time high
36.3°29 October 1971All-time low
Climate normals and records are computed from the nearest reference point — Milpitas (4 mi).
Thu, 2265° / 56°0.34
65 °
Berryessa, Thursday, 22 October
Rain. High 65°, low 56°.
Pressure29.91 inHg
Wind4.3 mph S
Humidity70%
Visibility3.1 mi
Dew point54°
Fri, 2369° / 56°0
69 °
Berryessa, Friday, 23 October
Overcast. High 69°, low 56°.
Pressure30.03 inHg
Wind3.2 mph NW
Humidity60%
Visibility6.2 mi
Dew point52°
Sat, 2471° / 51°0
71 °
Berryessa, Saturday, 24 October
Clear. High 71°, low 51°.
Pressure30.03 inHg
Wind3.3 mph NW
Humidity38%
Visibility6.2 mi
Dew point42°
Sun, 2574° / 55°0
74 °
Berryessa, Sunday, 25 October
Mostly clear. High 74°, low 55°.
Pressure30.06 inHg
Wind2.5 mph W
Humidity46%
Visibility6.2 mi
Dew point47°
Mon, 2668° / 54°0
68 °
Berryessa, Monday, 26 October
Overcast. High 68°, low 54°.
Pressure30.12 inHg
Wind5.3 mph NW
Humidity70%
Visibility—
Dew point51°
Tue, 2777° / 56°0
77 °
Berryessa, Tuesday, 27 October
Overcast. High 77°, low 56°.
Pressure30.06 inHg
Wind7.8 mph NW
Humidity39%
Visibility—
Dew point42°
Wed, 2878° / 57°0
78 °
Berryessa, Wednesday, 28 October
Overcast. High 78°, low 57°.
Pressure29.91 inHg
Wind6.4 mph NW
Humidity23%
Visibility—
Dew point29°
Thu, 2970° / 54°0
70 °
Berryessa, Thursday, 29 October
Overcast. High 70°, low 54°.
Pressure29.94 inHg
Wind5 mph NW
Humidity53%
Visibility—
Dew point46°
Fri, 3071° / 53°0
71 °
Berryessa, Friday, 30 October
Partly cloudy. High 71°, low 53°.
Pressure29.94 inHg
Wind7.6 mph NW
Humidity34%
Visibility—
Dew point36°
Sat, 3171° / 50°0
71 °
Berryessa, Saturday, 31 October
Mostly clear. High 71°, low 50°.
Pressure29.94 inHg
Wind7.5 mph NW
Humidity42%
Visibility—
Dew point39°
Sun, 0174° / 51°0
74 °
Berryessa, Sunday, 1 November
Clear. High 74°, low 51°.
Pressure30.03 inHg
Wind5.5 mph NW
Humidity29%
Visibility—
Dew point32°
Mon, 0279° / 57°0
79 °
Berryessa, Monday, 2 November
Partly cloudy. High 79°, low 57°.
Pressure30.09 inHg
Wind6.4 mph NW
Humidity21%
Visibility—
Dew point30°
Tue, 0372° / 58°0
72 °
Berryessa, Tuesday, 3 November
Overcast. High 72°, low 58°.
Pressure30.09 inHg
Wind8.3 mph NW
Humidity35%
Visibility—
Dew point38°
Wed, 0471° / 56°0
71 °
Berryessa, Wednesday, 4 November
Overcast. High 71°, low 56°.
Pressure30.03 inHg
Wind9 mph NW
Humidity69%
Visibility—
Dew point52°
Thu, 0565° / 52°0
65 °
Berryessa, Thursday, 5 November
Mostly clear. High 65°, low 52°.
Pressure30.03 inHg
Wind11 mph NW
Humidity60%
Visibility—
Dew point47°
From day 17 onward the outlook is built from 60-year climate statistics
Fri, 0667° / 53°0.05
67 °
Berryessa, Friday, 6 November
Climate normal for this date — 60-year average.
Average high67°
Average low53°
Average precipitation0.05 in
Chance of precipitation18%
Record high85° (1976)
Record low44° (1977)
Sat, 0767° / 53°0.06
67 °
Berryessa, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high67°
Average low53°
Average precipitation0.06 in
Chance of precipitation23%
Record high83° (1991)
Record low45° (2017)
Sun, 0865° / 51°0.08
65 °
Berryessa, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high65°
Average low51°
Average precipitation0.08 in
Chance of precipitation22%
Record high81° (1978)
Record low43° (2021)
Mon, 0965° / 50°0.06
65 °
Berryessa, Monday, 9 November
Climate normal for this date — 60-year average.
Average high65°
Average low50°
Average precipitation0.06 in
Chance of precipitation22%
Record high81° (1976)
Record low41° (2020)
Tue, 1065° / 50°0.08
65 °
Berryessa, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high65°
Average low50°
Average precipitation0.08 in
Chance of precipitation30%
Record high81° (1990)
Record low38° (2020)
Wed, 1165° / 51°0.07
65 °
Berryessa, Wednesday, 11 November
Climate normal for this date — 60-year average.
Average high65°
Average low51°
Average precipitation0.07 in
Chance of precipitation23%
Record high83° (1990)
Record low40° (1985)
Thu, 1265° / 51°0.06
65 °
Berryessa, Thursday, 12 November
Climate normal for this date — 60-year average.
Average high65°
Average low51°
Average precipitation0.06 in
Chance of precipitation17%
Record high82° (1990)
Record low41° (1985)
Fri, 1365° / 51°0.13
65 °
Berryessa, Friday, 13 November
Climate normal for this date — 60-year average.
Average high65°
Average low51°
Average precipitation0.13 in
Chance of precipitation27%
Record high80° (1995)
Record low41° (1964)
Sat, 1464° / 50°0.07
64 °
Berryessa, Saturday, 14 November
Climate normal for this date — 60-year average.
Average high64°
Average low50°
Average precipitation0.07 in
Chance of precipitation23%
Record high77° (1992)
Record low38° (1964)
Sun, 1564° / 49°0.06
64 °
Berryessa, Sunday, 15 November
Climate normal for this date — 60-year average.
Average high64°
Average low49°
Average precipitation0.06 in
Chance of precipitation20%
Record high79° (2008)
Record low34° (1964)
Mon, 1664° / 50°0.1
64 °
Berryessa, Monday, 16 November
Climate normal for this date — 60-year average.
Average high64°
Average low50°
Average precipitation0.1 in
Chance of precipitation23%
Record high81° (2008)
Record low36° (2024)
Tue, 1764° / 50°0.12
64 °
Berryessa, Tuesday, 17 November
Climate normal for this date — 60-year average.
Average high64°
Average low50°
Average precipitation0.12 in
Chance of precipitation25%
Record high83° (2008)
Record low38° (1975)
Wed, 1863° / 49°0.06
63 °
Berryessa, Wednesday, 18 November
Climate normal for this date — 60-year average.
Average high63°
Average low49°
Average precipitation0.06 in
Chance of precipitation22%
Record high79° (2005)
Record low35° (1994)
Thu, 1962° / 48°0.03
62 °
Berryessa, Thursday, 19 November
Climate normal for this date — 60-year average.
Average high62°
Average low48°
Average precipitation0.03 in
Chance of precipitation22%
Record high80° (1989)
Record low37° (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 Berryessa, 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 Berryessa, 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.