Monthly outlook for Big Flats, NY: average high 59.2°, average low 40.9°. That is 1.7° above the climate normal for October. Precipitation is expected on 3 days (about 0.5 inches), against a normal of 6 days and 2.1 inches. The warmest day looks like 31 October (69.3°), the coolest 18 October (32.5°).
59.2°/40.9°
Average high / low
+1.7°
Above normal
3 / 6
Wet days / normal
0.5 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
18 October – 27 October
55.8°
57°
-0.7°
28 October – 6 November
64.8°
53.9°
+6°
7 November – 16 November
at normal
48.5°
—
October records over 66 years
85.3°1 October 2019All-time high
26.2°20 October 1972All-time low
Climate normals and records are computed from the nearest reference point — Millport (10 mi).
Mon, 1962° / 36°0
62 °
Big Flats, Monday, 19 October
Clear. High 62°, low 36°.
Pressure30.42 inHg
Wind3.2 mph NW
Humidity31%
Visibility6.2 mi
Dew point25°
Tue, 2058° / 42°0
58 °
Big Flats, Tuesday, 20 October
Mostly clear. High 58°, low 42°.
Pressure30.39 inHg
Wind7.2 mph N
Humidity64%
Visibility6.2 mi
Dew point43°
Wed, 2157° / 36°0
57 °
Big Flats, Wednesday, 21 October
Clear. High 57°, low 36°.
Pressure30.33 inHg
Wind2.9 mph N
Humidity47%
Visibility6.2 mi
Dew point34°
Thu, 2256° / 35°0
56 °
Big Flats, Thursday, 22 October
Mostly clear. High 56°, low 35°.
Pressure30.15 inHg
Wind11.7 mph NW
Humidity65%
Visibility—
Dew point40°
Fri, 2346° / 35°0
46 °
Big Flats, Friday, 23 October
Overcast. High 46°, low 35°.
Pressure30.42 inHg
Wind12.1 mph N
Humidity67%
Visibility—
Dew point31°
Sat, 2457° / 33°0
57 °
Big Flats, Saturday, 24 October
Clear. High 57°, low 33°.
Pressure30.59 inHg
Wind9.4 mph S
Humidity49%
Visibility—
Dew point29°
Sun, 2561° / 43°0.03
61 °
Big Flats, Sunday, 25 October
Light rain. High 61°, low 43°.
Pressure30.33 inHg
Wind12 mph SW
Humidity62%
Visibility—
Dew point40°
Mon, 2651° / 36°0
51 °
Big Flats, Monday, 26 October
Clear. High 51°, low 36°.
Pressure30.33 inHg
Wind10.5 mph NW
Humidity60%
Visibility—
Dew point31°
Tue, 2752° / 34°0
52 °
Big Flats, Tuesday, 27 October
Overcast. High 52°, low 34°.
Pressure30.18 inHg
Wind9.2 mph W
Humidity44%
Visibility—
Dew point28°
Wed, 2857° / 36°0
57 °
Big Flats, Wednesday, 28 October
Clear. High 57°, low 36°.
Pressure30.30 inHg
Wind4.5 mph S
Humidity70%
Visibility—
Dew point38°
Thu, 2961° / 48°0.23
61 °
Big Flats, Thursday, 29 October
Rain. High 61°, low 48°.
Pressure29.97 inHg
Wind9.6 mph S
Humidity80%
Visibility—
Dew point51°
Fri, 3066° / 50°0.2
66 °
Big Flats, Friday, 30 October
Light rain. High 66°, low 50°.
Pressure29.83 inHg
Wind8.8 mph W
Humidity79%
Visibility—
Dew point52°
Sat, 3169° / 49°0
69 °
Big Flats, Saturday, 31 October
Clear. High 69°, low 49°.
Pressure29.94 inHg
Wind11.1 mph SW
Humidity70%
Visibility—
Dew point51°
Sun, 0168° / 59°0.05
68 °
Big Flats, Sunday, 1 November
Light rain. High 68°, low 59°.
Pressure29.91 inHg
Wind14.1 mph SW
Humidity83%
Visibility—
Dew point59°
Mon, 0267° / 50°0
67 °
Big Flats, Monday, 2 November
Clear. High 67°, low 50°.
Pressure30.00 inHg
Wind14.1 mph NW
Humidity63%
Visibility—
Dew point53°
From day 17 onward the outlook is built from 60-year climate statistics
Tue, 0355° / 40°0.07
55 °
Big Flats, Tuesday, 3 November
Climate normal for this date — 60-year average.
Average high55°
Average low40°
Average precipitation0.07 in
Chance of precipitation37%
Record high72° (1982)
Record low31° (1986)
Wed, 0453° / 39°0.11
53 °
Big Flats, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high53°
Average low39°
Average precipitation0.11 in
Chance of precipitation30%
Record high73° (2015)
Record low26° (1991)
Thu, 0552° / 39°0.09
52 °
Big Flats, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high52°
Average low39°
Average precipitation0.09 in
Chance of precipitation47%
Record high72° (2022)
Record low22° (1962)
Fri, 0652° / 39°0.09
52 °
Big Flats, Friday, 6 November
Climate normal for this date — 60-year average.
Average high52°
Average low39°
Average precipitation0.09 in
Chance of precipitation32%
Record high74° (2022)
Record low28° (1962)
Sat, 0750° / 38°0.09
50 °
Big Flats, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high50°
Average low38°
Average precipitation0.09 in
Chance of precipitation42%
Record high70° (1975)
Record low15° (1962)
Sun, 0850° / 37°0.13
50 °
Big Flats, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high50°
Average low37°
Average precipitation0.13 in
Chance of precipitation33%
Record high70° (2020)
Record low23° (2019)
Mon, 0951° / 37°0.1
51 °
Big Flats, Monday, 9 November
Climate normal for this date — 60-year average.
Average high51°
Average low37°
Average precipitation0.1 in
Chance of precipitation35%
Record high72° (2020)
Record low20° (1976)
Tue, 1050° / 37°0.13
50 °
Big Flats, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high50°
Average low37°
Average precipitation0.13 in
Chance of precipitation43%
Record high72° (2020)
Record low20° (2017)
Wed, 1148° / 37°0.13
48 °
Big Flats, Wednesday, 11 November
Climate normal for this date — 60-year average.
Average high48°
Average low37°
Average precipitation0.13 in
Chance of precipitation45%
Record high67° (2012)
Record low22° (2017)
Thu, 1247° / 35°0.15
47 °
Big Flats, Thursday, 12 November
Climate normal for this date — 60-year average.
Average high47°
Average low35°
Average precipitation0.15 in
Chance of precipitation45%
Record high67° (1964)
Record low18° (2019)
Fri, 1346° / 33°0.07
46 °
Big Flats, Friday, 13 November
Climate normal for this date — 60-year average.
Average high46°
Average low33°
Average precipitation0.07 in
Chance of precipitation43%
Record high62° (1964)
Record low14° (2019)
Sat, 1447° / 34°0.12
47 °
Big Flats, Saturday, 14 November
Climate normal for this date — 60-year average.
Average high47°
Average low34°
Average precipitation0.12 in
Chance of precipitation32%
Record high66° (1994)
Record low4° (1986)
Sun, 1548° / 34°0.14
48 °
Big Flats, Sunday, 15 November
Climate normal for this date — 60-year average.
Average high48°
Average low34°
Average precipitation0.14 in
Chance of precipitation50%
Record high66° (2009)
Record low20° (1967)
Mon, 1647° / 34°0.12
47 °
Big Flats, Monday, 16 November
Climate normal for this date — 60-year average.
Average high47°
Average low34°
Average precipitation0.12 in
Chance of precipitation33%
Record high66° (1990)
Record low18° (1967)
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 Big Flats, NY 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 Big Flats, NY 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.