Monthly outlook for Juan, CA: average high 63.1°, average low 49.1°. That is 4.8° below the climate normal for October. Precipitation is expected on 1 day (about 0.1 inches), against a normal of 1 days and 0.2 inches. The warmest day looks like 19 October (72.3°), the coolest 21 October (43°).
63.1°/49.1°
Average high / low
−4.8°
Below normal
1 / 1
Wet days / normal
0.1 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
12 October – 21 October
62.5°
72.9°
-5.8°
22 October – 31 October
64.1°
68.4°
-2.4°
1 November – 10 November
at normal
65°
—
October records over 66 years
95.4°4 October 2024All-time high
25.2°30 October 2019All-time low
Tue, 1356° / 46°0
56 °
Juan, Tuesday, 13 October
Overcast. High 56°, low 46°.
Pressure30.03 inHg
Wind11.4 mph NW
Humidity65%
Visibility6.2 mi
Dew point39°
Wed, 1460° / 45°0
60 °
Juan, Wednesday, 14 October
Clear. High 60°, low 45°.
Pressure30.15 inHg
Wind10.7 mph N
Humidity45%
Visibility6.2 mi
Dew point37°
Thu, 1563° / 48°0
63 °
Juan, Thursday, 15 October
Clear. High 63°, low 48°.
Pressure30.18 inHg
Wind17 mph N
Humidity39%
Visibility6.2 mi
Dew point36°
Fri, 1668° / 50°0
68 °
Juan, Friday, 16 October
Clear. High 68°, low 50°.
Pressure30.24 inHg
Wind9.7 mph NE
Humidity41%
Visibility6.2 mi
Dew point42°
Sat, 1758° / 49°0
58 °
Juan, Saturday, 17 October
Overcast. High 58°, low 49°.
Pressure30.15 inHg
Wind7.2 mph NE
Humidity52%
Visibility—
Dew point40°
Sun, 1870° / 47°0
70 °
Juan, Sunday, 18 October
Clear. High 70°, low 47°.
Pressure30.06 inHg
Wind6.2 mph SW
Humidity48%
Visibility—
Dew point41°
Mon, 1972° / 60°0
72 °
Juan, Monday, 19 October
Clear. High 72°, low 60°.
Pressure29.91 inHg
Wind19.9 mph S
Humidity33%
Visibility—
Dew point38°
Tue, 2065° / 46°0
65 °
Juan, Tuesday, 20 October
Clear. High 65°, low 46°.
Pressure29.68 inHg
Wind24.7 mph W
Humidity25%
Visibility—
Dew point25°
Wed, 2154° / 43°0
54 °
Juan, Wednesday, 21 October
Clear. High 54°, low 43°.
Pressure29.85 inHg
Wind27 mph NW
Humidity32%
Visibility—
Dew point21°
Thu, 2259° / 44°0
59 °
Juan, Thursday, 22 October
Clear. High 59°, low 44°.
Pressure30.15 inHg
Wind8 mph N
Humidity20%
Visibility—
Dew point12°
Fri, 2364° / 49°0
64 °
Juan, Friday, 23 October
Clear. High 64°, low 49°.
Pressure30.15 inHg
Wind16.5 mph N
Humidity18%
Visibility—
Dew point15°
Sat, 2460° / 50°0
60 °
Juan, Saturday, 24 October
Clear. High 60°, low 50°.
Pressure30.33 inHg
Wind26 mph N
Humidity25%
Visibility—
Dew point20°
Sun, 2563° / 49°0
63 °
Juan, Sunday, 25 October
Clear. High 63°, low 49°.
Pressure30.24 inHg
Wind18.9 mph N
Humidity18%
Visibility—
Dew point15°
Mon, 2667° / 52°0
67 °
Juan, Monday, 26 October
Clear. High 67°, low 52°.
Pressure30.24 inHg
Wind17.4 mph N
Humidity17%
Visibility—
Dew point17°
Tue, 2771° / 57°0
71 °
Juan, Tuesday, 27 October
Clear. High 71°, low 57°.
Pressure30.18 inHg
Wind13.5 mph NE
Humidity19%
Visibility—
Dew point23°
From day 17 onward the outlook is built from 60-year climate statistics
Wed, 2868° / 50°0.01
68 °
Juan, Wednesday, 28 October
Climate normal for this date — 60-year average.
Average high68°
Average low50°
Average precipitation0.01 in
Chance of precipitation5%
Record high81° (2008)
Record low34° (2019)
Thu, 2967° / 49°0
67 °
Juan, Thursday, 29 October
Climate normal for this date — 60-year average.
Average high67°
Average low49°
Average precipitation0 in
Chance of precipitation5%
Record high81° (2008)
Record low28° (1971)
Fri, 3065° / 48°0
65 °
Juan, Friday, 30 October
Climate normal for this date — 60-year average.
Average high65°
Average low48°
Average precipitation0 in
Chance of precipitation3%
Record high78° (2008)
Record low25° (2019)
Sat, 3166° / 47°0.02
66 °
Juan, Saturday, 31 October
Climate normal for this date — 60-year average.
Average high66°
Average low47°
Average precipitation0.02 in
Chance of precipitation7%
Record high78° (1988)
Record low33° (1972)
Sun, 0166° / 48°0.03
66 °
Juan, Sunday, 1 November
Climate normal for this date — 60-year average.
Average high66°
Average low48°
Average precipitation0.03 in
Chance of precipitation3%
Record high78° (2008)
Record low31° (1961)
Mon, 0266° / 47°0.01
66 °
Juan, Monday, 2 November
Climate normal for this date — 60-year average.
Average high66°
Average low47°
Average precipitation0.01 in
Chance of precipitation3%
Record high78° (2025)
Record low33° (1961)
Tue, 0366° / 47°0.01
66 °
Juan, Tuesday, 3 November
Climate normal for this date — 60-year average.
Average high66°
Average low47°
Average precipitation0.01 in
Chance of precipitation5%
Record high77° (2010)
Record low36° (2022)
Wed, 0466° / 48°0.01
66 °
Juan, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high66°
Average low48°
Average precipitation0.01 in
Chance of precipitation3%
Record high78° (1988)
Record low33° (2003)
Thu, 0566° / 48°0.01
66 °
Juan, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high66°
Average low48°
Average precipitation0.01 in
Chance of precipitation3%
Record high77° (1980)
Record low30° (2015)
Fri, 0665° / 47°0
65 °
Juan, Friday, 6 November
Climate normal for this date — 60-year average.
Average high65°
Average low47°
Average precipitation0 in
Chance of precipitation2%
Record high78° (1980)
Record low34° (2011)
Sat, 0765° / 47°0.01
65 °
Juan, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high65°
Average low47°
Average precipitation0.01 in
Chance of precipitation5%
Record high77° (2006)
Record low32° (2011)
Sun, 0864° / 46°0.02
64 °
Juan, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high64°
Average low46°
Average precipitation0.02 in
Chance of precipitation5%
Record high78° (2006)
Record low33° (2011)
Mon, 0963° / 45°0.01
63 °
Juan, Monday, 9 November
Climate normal for this date — 60-year average.
Average high63°
Average low45°
Average precipitation0.01 in
Chance of precipitation5%
Record high76° (1980)
Record low32° (2020)
Tue, 1063° / 45°0.01
63 °
Juan, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high63°
Average low45°
Average precipitation0.01 in
Chance of precipitation3%
Record high76° (2025)
Record low28° (2012)
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 Juan, 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 Juan, 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.