SOMERSWORTH, NH 03878 Weather Forecast & Current Conditions

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03878 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
ROCHESTER, NH Current Weather
3:51 PM EDT APR 18, 2026
Broken Clouds 52°F
Feels Like:	48°F
Dewpoint:	43°F
Rel. Hum.:	71%
Visibility:	10 miles
Wind:	E at 10 mph
Pressure:	30.10 inches
Last 72 hours
Local Area Snow Depth
New Hampshire Current Weather
New Hampshire MOS Forecast Weather

Regional Weather Maps

(Automated weather data from NWS/FAA)

03878 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	SOMERSWORTH, NH 03878 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TONIGHT
Cloudy. Patchy fog this evening, then areas of fog after midnight. A slight chance of rain after midnight. Lows in the lower 40s. East winds around 10 mph with gusts up to 20 mph this evening, becoming light and variable. Chance of rain 20 percent.

SUNDAY
Rain. Areas of fog in the morning. Patchy fog in the afternoon. Highs in the upper 40s. Light and variable winds, becoming west around 10 mph with gusts up to 25 mph in the afternoon. Chance of rain near 100 percent.

SUNDAY NIGHT
Partly cloudy with a chance of rain in the evening, then mostly clear after midnight. Lows in the lower 30s. West winds around 10 mph with gusts up to 25 mph. Chance of rain 50 percent.

MONDAY
Partly sunny. Highs in the mid 40s. West winds around 10 mph with gusts up to 20 mph.

MONDAY NIGHT
Mostly clear. Lows in the mid 20s. Northwest winds around 10 mph in the evening, becoming light and variable.

TUESDAY
Mostly sunny. Highs in the upper 40s.

TUESDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 30s.

WEDNESDAY
Mostly cloudy. Highs in the lower 50s.

WEDNESDAY NIGHT
Partly cloudy. Lows in the mid 30s.

THURSDAY
Partly sunny. Highs in the upper 50s.

THURSDAY NIGHT
Partly cloudy. Lows in the mid 30s.

FRIDAY
Partly sunny. Highs in the upper 50s.

FRIDAY NIGHT
Partly cloudy. Lows in the upper 30s.

03878 WEATHER SATELLITE LOOPS

Visible Weather Satellite
SOMERSWORTH, NH 03878

Infrared Weather Satellite
SOMERSWORTH, NH 03878

03878 WEATHER RADAR LOOP

NEXRAD Weather Radar
SOMERSWORTH, NH 03878

MOS COMPUTER WEATHER FORECAST

ROCHESTER, NH 3 hourly weather forecast

weather forecast created 8:00 AM EDT 4/18/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Saturday
18 APR 2026

2 PM

53°

50°

Partly Cloudy

5%

0% Thunder
( 0% severe)

E 9

66%

42°

High 54°

5 PM

49°

45°

Mostly Cloudy

E 8

71%

40°

Mostly Cloudy

8 PM

44°

42°

Mostly Cloudy

5%

0% Thunder
( 0% severe)

E 3

86%

40°

11 PM

43°

42°

Mostly Cloudy

CALM

89%

40°

Sunday
19 APR 2026

2 AM

42°

41°

Overcast

24%
RAIN
.01–.1 in

0% Thunder
( 2% severe)

CALM

93%

40°

Low 42°

5 AM

43°

42°

Overcast

SE 1

93%

41°

High 51°

8 AM

44°

43°

Mostly Cloudy

89%
RAIN
***

0% Thunder
( 7% severe)

SSE 2

96%

43°

Mostly Cloudy

Rain

11 AM

47°

46°

Mostly Cloudy

S 3

96%

46°

2 PM

48°

45°

Mostly Cloudy

93%
RAIN
***

0% Thunder
( 7% severe)

NW 7

89%

45°

5 PM

43°

37°

Mostly Cloudy

NW 10

82%

38°

8 PM

39°

34°

Mostly Cloudy

17%
RAIN
.01–.1 in

0% Thunder
( 0% severe)

WNW 7

79%

33°

11 PM

37°

32°

Partly Cloudy

W 6

72%

29°

Monday
20 APR 2026

2 AM

35°

31°

Clear

1%

0% Thunder
( 1% severe)

W 5

75%

28°

Low 32°

5 AM

34°

30°

Clear

W 5

72%

26°

High 49°

8 AM

38°

34°

Partly Cloudy

5%

0% Thunder
( 0% severe)

W 6

64%

27°

Partly Cloudy

11 AM

45°

41°

Partly Cloudy

W 8

41%

23°

2 PM

47°

43°

Mostly Cloudy

8%

0% Thunder
( 3% severe)

WNW 9

34%

21°

5 PM

45°

41°

Partly Cloudy

NW 8

32%

18°

8 PM

38°

34°

Partly Cloudy

NW 5

42%

18°


ROCHESTER, NH extended weather forecast
Tuesday 21 APR 2026	Wednesday 22 APR 2026	Thursday 23 APR 2026	Friday 24 APR 2026	Saturday 25 APR 2026
Low 28°	Low 36°	Low 34°	Low 34°	Low 37°
High 51°	High 53°	High 56°	High 58°	High 59°

Clear 10% Rain/Snow	Overcast 47% Rain	Clear 2% Rain	Partly Cloudy 11% Rain	Partly Cloudy 28% Rain

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