Monthly outlook for Denniston, NY: average high 58.8°, average low 40.9°. That is 0.7° below the climate normal for October. Precipitation is expected on 4 days (about 2.6 inches), against a normal of 5 days and 2.0 inches. The warmest day looks like 14 October (78.2°), the coolest 19 October (26.7°).
58.8°/40.9°
Average high / low
−0.7°
Below normal
4 / 5
Wet days / normal
2.6 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
11 October – 20 October
60.3°
60.9°
-0.3°
21 October – 30 October
56.2°
57.6°
-0.8°
31 October – 9 November
at normal
54.4°
—
October records over 66 years
86.2°2 October 2019All-time high
21.7°31 October 2011All-time low
Climate normals and records are computed from the nearest reference point — Palm Tree (9 mi).
Mon, 1271° / 47°0.05
71 °
Denniston, Monday, 12 October
Light rain. High 71°, low 47°.
Pressure29.83 inHg
Wind3.5 mph N
Humidity67%
Visibility6.2 mi
Dew point54°
Tue, 1373° / 50°0
73 °
Denniston, Tuesday, 13 October
Mostly clear. High 73°, low 50°.
Pressure29.94 inHg
Wind9.8 mph S
Humidity66%
Visibility6.2 mi
Dew point59°
Wed, 1478° / 61°0
78 °
Denniston, Wednesday, 14 October
Overcast. High 78°, low 61°.
Pressure29.85 inHg
Wind8 mph W
Humidity66%
Visibility6.2 mi
Dew point65°
Thu, 1562° / 48°0
62 °
Denniston, Thursday, 15 October
Overcast. High 62°, low 48°.
Pressure30.18 inHg
Wind7 mph N
Humidity52%
Visibility6.2 mi
Dew point43°
Fri, 1658° / 48°1.22
58 °
Denniston, Friday, 16 October
Heavy rain. High 58°, low 48°.
Pressure29.65 inHg
Wind19.2 mph NW
Humidity98%
Visibility—
Dew point54°
Sat, 1748° / 35°0.01
48 °
Denniston, Saturday, 17 October
Light rain. High 48°, low 35°.
Pressure29.71 inHg
Wind15 mph NW
Humidity56%
Visibility—
Dew point32°
Sun, 1844° / 29°0
44 °
Denniston, Sunday, 18 October
Mostly clear. High 44°, low 29°.
Pressure30.30 inHg
Wind15.5 mph NW
Humidity44%
Visibility—
Dew point19°
Mon, 1952° / 27°0
52 °
Denniston, Monday, 19 October
Partly cloudy. High 52°, low 27°.
Pressure30.59 inHg
Wind8.1 mph SW
Humidity43%
Visibility—
Dew point20°
Tue, 2061° / 34°0
61 °
Denniston, Tuesday, 20 October
Partly cloudy. High 61°, low 34°.
Pressure30.36 inHg
Wind8.4 mph W
Humidity54%
Visibility—
Dew point35°
Wed, 2157° / 38°0
57 °
Denniston, Wednesday, 21 October
Clear. High 57°, low 38°.
Pressure30.47 inHg
Wind4.8 mph N
Humidity65%
Visibility—
Dew point38°
Thu, 2257° / 38°0
57 °
Denniston, Thursday, 22 October
Overcast. High 57°, low 38°.
Pressure30.47 inHg
Wind3.9 mph N
Humidity70%
Visibility—
Dew point39°
Fri, 2357° / 38°0
57 °
Denniston, Friday, 23 October
Clear. High 57°, low 38°.
Pressure30.39 inHg
Wind4.5 mph E
Humidity57%
Visibility—
Dew point35°
Sat, 2454° / 40°0
54 °
Denniston, Saturday, 24 October
Overcast. High 54°, low 40°.
Pressure30.18 inHg
Wind4.5 mph NE
Humidity66%
Visibility—
Dew point36°
Sun, 2557° / 39°0
57 °
Denniston, Sunday, 25 October
Overcast. High 57°, low 39°.
Pressure30.00 inHg
Wind8.2 mph N
Humidity59%
Visibility—
Dew point37°
Mon, 2655° / 34°0.12
55 °
Denniston, Monday, 26 October
Light rain. High 55°, low 34°.
Pressure29.94 inHg
Wind10.4 mph S
Humidity60%
Visibility—
Dew point34°
From day 17 onward the outlook is built from 60-year climate statistics
Tue, 2757° / 43°0.17
57 °
Denniston, Tuesday, 27 October
Climate normal for this date — 60-year average.
Average high57°
Average low43°
Average precipitation0.17 in
Chance of precipitation30%
Record high78° (1963)
Record low28° (1976)
Wed, 2857° / 42°0.19
57 °
Denniston, Wednesday, 28 October
Climate normal for this date — 60-year average.
Average high57°
Average low42°
Average precipitation0.19 in
Chance of precipitation33%
Record high76° (2023)
Record low27° (1976)
Thu, 2955° / 41°0.19
55 °
Denniston, Thursday, 29 October
Climate normal for this date — 60-year average.
Average high55°
Average low41°
Average precipitation0.19 in
Chance of precipitation27%
Record high69° (1971)
Record low29° (1965)
Fri, 3055° / 40°0.11
55 °
Denniston, Friday, 30 October
Climate normal for this date — 60-year average.
Average high55°
Average low40°
Average precipitation0.11 in
Chance of precipitation22%
Record high76° (2024)
Record low30° (2011)
Sat, 3156° / 41°0.06
56 °
Denniston, Saturday, 31 October
Climate normal for this date — 60-year average.
Average high56°
Average low41°
Average precipitation0.06 in
Chance of precipitation20%
Record high78° (2024)
Record low22° (2011)
Sun, 0156° / 42°0.09
56 °
Denniston, Sunday, 1 November
Climate normal for this date — 60-year average.
Average high56°
Average low42°
Average precipitation0.09 in
Chance of precipitation27%
Record high76° (1974)
Record low31° (1983)
Mon, 0256° / 42°0.1
56 °
Denniston, Monday, 2 November
Climate normal for this date — 60-year average.
Average high56°
Average low42°
Average precipitation0.1 in
Chance of precipitation28%
Record high75° (1982)
Record low28° (2023)
Tue, 0356° / 42°0.1
56 °
Denniston, Tuesday, 3 November
Climate normal for this date — 60-year average.
Average high56°
Average low42°
Average precipitation0.1 in
Chance of precipitation28%
Record high74° (2003)
Record low29° (1980)
Wed, 0455° / 41°0.06
55 °
Denniston, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high55°
Average low41°
Average precipitation0.06 in
Chance of precipitation22%
Record high72° (1987)
Record low30° (2006)
Thu, 0554° / 40°0.13
54 °
Denniston, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high54°
Average low40°
Average precipitation0.13 in
Chance of precipitation28%
Record high73° (2022)
Record low30° (1962)
Fri, 0653° / 40°0.09
53 °
Denniston, Friday, 6 November
Climate normal for this date — 60-year average.
Average high53°
Average low40°
Average precipitation0.09 in
Chance of precipitation32%
Record high76° (2024)
Record low28° (2012)
Sat, 0753° / 39°0.07
53 °
Denniston, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high53°
Average low39°
Average precipitation0.07 in
Chance of precipitation25%
Record high70° (2022)
Record low26° (1962)
Sun, 0852° / 38°0.16
52 °
Denniston, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high52°
Average low38°
Average precipitation0.16 in
Chance of precipitation28%
Record high71° (2020)
Record low25° (2019)
Mon, 0952° / 38°0.09
52 °
Denniston, Monday, 9 November
Climate normal for this date — 60-year average.
Average high52°
Average low38°
Average precipitation0.09 in
Chance of precipitation23%
Record high72° (2020)
Record low22° (2019)
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 Denniston, 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 Denniston, 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.