As of 06:36 EDT

New Castle, NH weather in May

53°

New Castle, Thursday, 8 October, 06:36

Overcast. Feels like 52°. High 72°, low 52°.

Pressure29.74 inHg

Wind4.6 mph SW

Humidity88%

Visibility3.7 mi

Dew point49°

See detailed hourly forecast

In May, New Castle, NH averages a high of 60.6° and a low of 48.2°. About 3.6 inches of precipitation fall over the month (11 wet days). The record high is 86.7° (1987) and the record low 31.8° (1966). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	57°	43.9°	32%	69.4° (1970)	34.2° (1978)
2	57.6°	44.8°	38%	81.9° (2018)	34° (1964)
3	56.3°	44.8°	43%	82.2° (2001)	36.5° (1986)
4	56.5°	45°	38%	78.1° (2001)	34.5° (1986)
5	56.3°	44.6°	38%	73.4° (2000)	36.7° (1974)
6	57°	45.1°	42%	72.1° (2023)	36.3° (1992)
7	58.5°	45.1°	35%	75.7° (2000)	31.8° (1966)
8	56.5°	44.8°	37%	77° (1964)	36° (1992)
9	56.3°	45.1°	47%	80.6° (1979)	35.6° (2020)
10	58.8°	46.2°	43%	82.4° (1979)	34.5° (1966)
11	59.4°	46.6°	27%	80.4° (1993)	34.9° (1966)
12	59.5°	46.6°	35%	79° (1991)	37.2° (1963)
13	58.3°	46.4°	27%	72.1° (2023)	36.5° (2020)
14	59.7°	46.2°	27%	77.9° (2022)	37.9° (1998)
15	60.1°	47.8°	45%	77° (2018)	40.5° (2002)
16	60.4°	48.6°	45%	78.6° (2023)	40.8° (2016)
17	61.3°	48.7°	32%	82° (1977)	38.8° (1983)
18	60.3°	48.4°	40%	86.4° (2017)	36.3° (2002)
19	59.7°	48.2°	48%	81.1° (2017)	37.9° (2002)
20	62.6°	49.3°	33%	82.6° (1996)	39.4° (2002)
21	63.5°	50.5°	23%	79.9° (1975)	40.8° (2002)
22	63°	50.9°	27%	82.9° (2024)	42.6° (1990)
23	63.1°	50.4°	27%	85.8° (2021)	42.3° (2015)
24	62.1°	50.7°	45%	83.1° (1991)	41.5° (1963)
25	63.1°	51.1°	32%	84.2° (2018)	42.6° (1967)
26	63.7°	51.8°	27%	84° (2010)	40.3° (1967)
27	64.2°	51.4°	28%	75.6° (1981)	42.1° (1969)
28	65.1°	52°	38%	80.4° (2023)	42.6° (1968)
29	65.1°	52.9°	33%	79.7° (1998)	43.2° (2021)
30	65.7°	53.4°	35%	83.7° (1987)	45.3° (1974)
31	66.6°	53.6°	35%	86.7° (1987)	41.4° (1961)