As of 18:43 EDT

Weather in Mount Sinai, NY

51°Current weather

Mount Sinai, Tuesday, 27 October, 18:43

Mostly clear. Feels like 49°. High 59°, low 45°.

Pressure30.36 inHg
Wind6 mph S
Humidity64%
Visibility6.2 mi
Dew point39°

Monthly outlook for Mount Sinai, NY: average high 58.1°, average low 49°. That is 1.2° above the climate normal for October. Precipitation is expected on 4 days (about 1.7 inches), against a normal of 5 days and 2.0 inches. The warmest day looks like 30 October (66°), the coolest 28 October (40.6°).

58.1°/49°
Average high / low
+1.2°
Above normal
4 / 5
Wet days / normal
1.7 in
Precipitation this month

Ten-day blocks vs climate normal

PeriodForecast highNormalDifference
27 October – 5 November60.6°57°+2°
6 November – 15 November54°53°+0.6°
16 November – 25 Novemberat normal49.3°—

October records over 66 years

89.4°2 October 2019All-time high
32.7°27 October 1976All-time low

Climate normals and records are computed from the nearest reference point — Stony Brook University (6 mi).

Wed, 2861° / 41°0Overcast
61 °Overcast

Mount Sinai, Wednesday, 28 October

Overcast. High 61°, low 41°.

Pressure30.47 inHg
Wind7.1 mph NE
Humidity68%
Visibility6.2 mi
Dew point42°
Thu, 2964° / 46°0Clear
64 °Clear

Mount Sinai, Thursday, 29 October

Clear. High 64°, low 46°.

Pressure30.24 inHg
Wind5.7 mph SW
Humidity73%
Visibility6.2 mi
Dew point52°
Fri, 3066° / 54°0Clear
66 °Clear

Mount Sinai, Friday, 30 October

Clear. High 66°, low 54°.

Pressure30.06 inHg
Wind9.8 mph W
Humidity71%
Visibility6.2 mi
Dew point55°
Sat, 3157° / 50°0Mostly clear
57 °Mostly clear

Mount Sinai, Saturday, 31 October

Mostly clear. High 57°, low 50°.

Pressure30.36 inHg
Wind11.8 mph NW
Humidity55%
Visibility6.2 mi
Dew point38°
Sun, 0161° / 50°0Clear
61 °Clear

Mount Sinai, Sunday, 1 November

Clear. High 61°, low 50°.

Pressure30.42 inHg
Wind12.2 mph SW
Humidity61%
Visibility—
Dew point42°
Mon, 0259° / 55°0.03Light rain
59 °Light rain

Mount Sinai, Monday, 2 November

Light rain. High 59°, low 55°.

Pressure30.27 inHg
Wind10.5 mph SW
Humidity78%
Visibility—
Dew point51°
Tue, 0360° / 55°0.04Light rain
60 °Light rain

Mount Sinai, Tuesday, 3 November

Light rain. High 60°, low 55°.

Pressure30.21 inHg
Wind25 mph E
Humidity88%
Visibility—
Dew point56°
Wed, 0456° / 54°0.14Light rain
56 °Light rain

Mount Sinai, Wednesday, 4 November

Light rain. High 56°, low 54°.

Pressure30.39 inHg
Wind24.8 mph E
Humidity81%
Visibility—
Dew point49°
Thu, 0562° / 56°1.37Rain
62 °Rain

Mount Sinai, Thursday, 5 November

Rain. High 62°, low 56°.

Pressure29.94 inHg
Wind22.7 mph E
Humidity98%
Visibility—
Dew point61°
Fri, 0662° / 57°0.15Rain
62 °Rain

Mount Sinai, Friday, 6 November

Rain. High 62°, low 57°.

Pressure29.56 inHg
Wind18.5 mph W
Humidity92%
Visibility—
Dew point58°
Sat, 0755° / 47°0Overcast
55 °Overcast

Mount Sinai, Saturday, 7 November

Overcast. High 55°, low 47°.

Pressure29.83 inHg
Wind19 mph N
Humidity71%
Visibility—
Dew point45°
Sun, 0849° / 42°0Clear
49 °Clear

Mount Sinai, Sunday, 8 November

Clear. High 49°, low 42°.

Pressure30.27 inHg
Wind16.3 mph NE
Humidity53%
Visibility—
Dew point27°
Mon, 0950° / 42°0Clear
50 °Clear

Mount Sinai, Monday, 9 November

Clear. High 50°, low 42°.

Pressure30.27 inHg
Wind8.2 mph N
Humidity47%
Visibility—
Dew point25°
Tue, 1054° / 45°0Clear
54 °Clear

Mount Sinai, Tuesday, 10 November

Clear. High 54°, low 45°.

Pressure30.21 inHg
Wind9.7 mph N
Humidity41%
Visibility—
Dew point25°
Wed, 1155° / 47°0Clear
55 °Clear

Mount Sinai, Wednesday, 11 November

Clear. High 55°, low 47°.

Pressure30.15 inHg
Wind14.5 mph NE
Humidity52%
Visibility—
Dew point32°
From day 17 onward the outlook is built from 60-year climate statistics
Thu, 1252° / 42°0.16Climate normal
52 °Climate normal

Mount Sinai, Thursday, 12 November

Climate normal for this date — 60-year average.

Average high52°
Average low42°
Average precipitation0.16 in
Chance of precipitation38%
Record high69° (2022)
Record low30° (2019)
Fri, 1351° / 41°0.22Climate normal
51 °Climate normal

Mount Sinai, Friday, 13 November

Climate normal for this date — 60-year average.

Average high51°
Average low41°
Average precipitation0.22 in
Chance of precipitation40%
Record high66° (1964)
Record low24° (2019)
Sat, 1451° / 41°0.11Climate normal
51 °Climate normal

Mount Sinai, Saturday, 14 November

Climate normal for this date — 60-year average.

Average high51°
Average low41°
Average precipitation0.11 in
Chance of precipitation22%
Record high64° (1989)
Record low26° (2019)
Sun, 1552° / 41°0.12Climate normal
52 °Climate normal

Mount Sinai, Sunday, 15 November

Climate normal for this date — 60-year average.

Average high52°
Average low41°
Average precipitation0.12 in
Chance of precipitation42%
Record high71° (1993)
Record low25° (1967)
Mon, 1651° / 41°0.14Climate normal
51 °Climate normal

Mount Sinai, Monday, 16 November

Climate normal for this date — 60-year average.

Average high51°
Average low41°
Average precipitation0.14 in
Chance of precipitation38%
Record high65° (2006)
Record low24° (1967)
Tue, 1750° / 40°0.15Climate normal
50 °Climate normal

Mount Sinai, Tuesday, 17 November

Climate normal for this date — 60-year average.

Average high50°
Average low40°
Average precipitation0.15 in
Chance of precipitation33%
Record high65° (2006)
Record low31° (1967)
Wed, 1850° / 41°0.08Climate normal
50 °Climate normal

Mount Sinai, Wednesday, 18 November

Climate normal for this date — 60-year average.

Average high50°
Average low41°
Average precipitation0.08 in
Chance of precipitation27%
Record high63° (2024)
Record low29° (2014)
Thu, 1950° / 40°0.07Climate normal
50 °Climate normal

Mount Sinai, Thursday, 19 November

Climate normal for this date — 60-year average.

Average high50°
Average low40°
Average precipitation0.07 in
Chance of precipitation25%
Record high61° (2021)
Record low25° (2014)
Fri, 2050° / 40°0.13Climate normal
50 °Climate normal

Mount Sinai, Friday, 20 November

Climate normal for this date — 60-year average.

Average high50°
Average low40°
Average precipitation0.13 in
Chance of precipitation28%
Record high66° (1985)
Record low28° (1986)
Sat, 2149° / 39°0.11Climate normal
49 °Climate normal

Mount Sinai, Saturday, 21 November

Climate normal for this date — 60-year average.

Average high49°
Average low39°
Average precipitation0.11 in
Chance of precipitation33%
Record high61° (1991)
Record low21° (1987)
Sun, 2248° / 39°0.16Climate normal
48 °Climate normal

Mount Sinai, Sunday, 22 November

Climate normal for this date — 60-year average.

Average high48°
Average low39°
Average precipitation0.16 in
Chance of precipitation40%
Record high61° (2007)
Record low20° (2018)
Mon, 2347° / 38°0.13Climate normal
47 °Climate normal

Mount Sinai, Monday, 23 November

Climate normal for this date — 60-year average.

Average high47°
Average low38°
Average precipitation0.13 in
Chance of precipitation22%
Record high64° (1992)
Record low19° (2018)
Tue, 2449° / 39°0.1Climate normal
49 °Climate normal

Mount Sinai, Tuesday, 24 November

Climate normal for this date — 60-year average.

Average high49°
Average low39°
Average precipitation0.1 in
Chance of precipitation33%
Record high62° (1979)
Record low25° (2013)
Wed, 2549° / 38°0.15Climate normal
49 °Climate normal

Mount Sinai, Wednesday, 25 November

Climate normal for this date — 60-year average.

Average high49°
Average low38°
Average precipitation0.15 in
Chance of precipitation33%
Record high64° (1979)
Record low24° (2005)

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 Mount Sinai, 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 Mount Sinai, 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.