As of 01:55 EDT

Smithtown, NY weather in March

48°

Smithtown, Wednesday, 7 October, 01:55

Clear. Feels like 48°. High 65°, low 45°.

Pressure30.09 inHg

Wind0 mph N

Humidity83%

Visibility6.2 mi

Dew point43°

See detailed hourly forecast

In March, Smithtown, NY averages a high of 46.1° and a low of 33.1°. About 4.5 inches of precipitation fall over the month (11 wet days). The record high is 77° (2025) and the record low 3.7° (1980). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	42.1°	28.9°	32%	65.3° (2017)	3.7° (1980)
2	42.6°	30.4°	42%	61° (2017)	9.1° (1962)
3	42.1°	29.8°	37%	62.6° (2024)	9.5° (1962)
4	41.2°	29.5°	33%	57.9° (1974)	7.9° (2003)
5	43.2°	30.7°	40%	62.1° (1976)	9.9° (1978)
6	42.4°	30.6°	30%	62.1° (2022)	9.5° (2007)
7	43.7°	30.6°	38%	63.9° (2022)	8.6° (2007)
8	44.2°	30.7°	37%	64.6° (1987)	9° (1986)
9	43.9°	30.2°	28%	64.2° (2020)	10.6° (1996)
10	44.4°	30.9°	25%	68.5° (2016)	10.8° (1984)
11	45.9°	31.8°	35%	61.5° (2021)	9.7° (1960)
12	44.1°	32.2°	33%	63° (2021)	10.8° (1984)
13	45.5°	32.2°	38%	73.6° (1990)	19° (2017)
14	46.2°	33.4°	40%	68.2° (2024)	16.2° (1993)
15	46.4°	33.8°	32%	68.4° (2024)	10.2° (1993)
16	45.9°	32.7°	28%	63.5° (1990)	19.2° (1992)
17	46.4°	32.9°	38%	62.1° (2003)	17.1° (1967)
18	45°	32.7°	32%	69.3° (2011)	9.3° (1967)
19	45.7°	32.9°	32%	65.5° (2012)	7° (1967)
20	46.6°	33.8°	28%	67.8° (2020)	17.8° (1967)
21	46.9°	34.5°	50%	66.2° (2020)	18.3° (1967)
22	47.1°	34.2°	37%	68.2° (2012)	19.9° (1988)
23	47.3°	34°	27%	66.4° (2012)	19.2° (2017)
24	48°	34.2°	27%	61.9° (2000)	23° (2014)
25	47.8°	35.1°	32%	65.3° (2021)	19.8° (1960)
26	49.6°	36°	30%	74.5° (2021)	14° (1960)
27	50.4°	35.8°	33%	70° (1998)	22.6° (1975)
28	49.8°	36.9°	35%	69.4° (1989)	21.9° (1982)
29	51.8°	38.1°	42%	77° (2025)	23° (2022)
30	51.1°	37.9°	38%	66.4° (1977)	23° (1970)
31	51.1°	38.3°	45%	69.1° (1998)	23.2° (1965)