NEW CASTLE, NH 03854 Weather Forecast & Current Conditions

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03854 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
PORTSMOUTH, NH Current Weather
7:55 AM EDT APR 13, 2026
Overcast 46°F
Feels Like:	42°F
Dewpoint:	45°F
Rel. Hum.:	96%
Visibility:	10 miles
Wind:	SE at 7 mph
Pressure:	30.07 inches
Last 72 hours
Local Area Snow Depth
New Hampshire Current Weather
New Hampshire MOS Forecast Weather

Weather Map

(Automated weather data from NWS/FAA)

03854 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	NEW CASTLE, NH 03854 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TODAY
Mostly cloudy with isolated showers. Highs in the upper 60s. Southwest winds 10 to 15 mph. Gusts up to 35 mph this afternoon. Chance of rain 20 percent.

TONIGHT
Mostly clear. A slight chance of showers in the evening. Lows in the lower 50s. West winds 10 to 15 mph. Chance of rain 20 percent.

TUESDAY
Partly sunny. A slight chance of showers in the afternoon. Highs in the upper 60s. Light and variable winds, becoming southeast around 10 mph in the afternoon. Chance of rain 20 percent.

TUESDAY NIGHT
Mostly cloudy with a chance of showers. Lows around 50. Light and variable winds. Chance of rain 50 percent.

WEDNESDAY
Mostly cloudy. A chance of showers in the afternoon. Highs in the upper 60s. Light and variable winds, becoming southwest around 10 mph in the afternoon. Chance of rain 40 percent.

WEDNESDAY NIGHT
Mostly cloudy with a 40 percent chance of showers. Lows in the upper 40s.

THURSDAY
Mostly cloudy with a 40 percent chance of showers. Highs around 60.

THURSDAY NIGHT
Cloudy with a 40 percent chance of showers. Lows in the upper 40s.

FRIDAY
Mostly cloudy in the morning, then becoming partly sunny. A chance of showers. Highs in the upper 60s. Chance of rain 30 percent.

FRIDAY NIGHT
Partly cloudy. A chance of showers in the evening. Lows in the upper 40s. Chance of rain 30 percent.

SATURDAY
Partly sunny. Highs in the upper 50s.

SATURDAY NIGHT
Mostly cloudy with a 40 percent chance of showers. Lows in the upper 40s.

SUNDAY
Mostly cloudy with a 40 percent chance of showers. Highs in the mid 60s.

03854 WEATHER SATELLITE LOOPS

Visible Weather Satellite
NEW CASTLE, NH 03854

Infrared Weather Satellite
NEW CASTLE, NH 03854

03854 WEATHER RADAR LOOP

NEXRAD Weather Radar
NEW CASTLE, NH 03854

MOS COMPUTER WEATHER FORECAST

PORTSMOUTH, NH 3 hourly weather forecast

weather forecast created 8:00 PM EDT 4/12/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Monday
13 APR 2026

2 AM

42°

36°

Overcast

66%
RAIN
1–2 in

0% Thunder
( 6% severe)

S 9

73%

34°

Low 41°

5 AM

42°

36°

Mostly Cloudy

S 9

82%

37°

High 68°

8 AM

46°

41°

Mostly Cloudy

8%

0% Thunder
( 1% severe)

SSW 10

79%

40°

Mostly Cloudy

Chance of Rain

11 AM

58°

56°

Mostly Cloudy

SW 12

67%

47°

2 PM

64°

63°

Mostly Cloudy

24%
RAIN
<.01 in

0% Thunder
( 3% severe)

SSW 14

60%

50°

5 PM

66°

66°

Mostly Cloudy

SW 14

58%

51°

8 PM

64°

63°

Partly Cloudy

4%

0% Thunder
( 1% severe)

WSW 12

65%

52°

11 PM

62°

61°

Clear

WSW 9

70%

52°

Tuesday
14 APR 2026

2 AM

60°

59°

Clear

0%

0% Thunder
( 0% severe)

W 8

75%

52°

Low 54°

5 AM

57°

56°

Partly Cloudy

W 6

77%

50°

High 68°

8 AM

56°

56°

Partly Cloudy

2%

0% Thunder
( 0% severe)

WNW 3

77%

49°

Partly Cloudy

Chance of Rain

11 AM

64°

66°

Partly Cloudy

N 2

58%

49°

2 PM

65°

65°

Partly Cloudy

32%
RAIN
.01–.1 in

0% Thunder
( 7% severe)

SE 8

56%

49°

5 PM

61°

60°

Mostly Cloudy

SE 9

62%

48°

8 PM

56°

55°

Mostly Cloudy

45%
RAIN
1–2 in

0% Thunder
( 18% severe)

SE 6

77%

49°

11 PM

56°

55°

Mostly Cloudy

SSW 6

80%

50°


PORTSMOUTH, NH extended weather forecast
Wednesday 15 APR 2026	Thursday 16 APR 2026	Friday 17 APR 2026	Saturday 18 APR 2026	Sunday 19 APR 2026
Low 51°	Low 57°	Low 47°	Low 50°	Low 47°
High 77°	High 61°	High 73°	High 62°	High 64°

Overcast 62% Rain	Overcast 48% Rain	Mostly Cloudy 39% Rain	Overcast 23% Rain	Overcast 54% Rain

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