SOMERSWORTH, NH 03878 Weather Forecast & Current Conditions

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03878 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
ROCHESTER, NH Current Weather
4:51 PM EDT SEP 18, 2026
Clear 73°F
Feels Like:	73°F
Dewpoint:	50°F
Rel. Hum.:	44%
Visibility:	10 miles
Wind:	WNW at 17 mph, gusts to 31
Pressure:	30.02 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 2026 Hurricanes	SOMERSWORTH, NH 03878 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TONIGHT
Partly cloudy. Lows in the mid 40s. Northwest winds around 10 mph with gusts up to 20 mph in the evening, becoming light and variable.

SATURDAY
Mostly sunny. Highs in the mid 60s. Light and variable winds.

SATURDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 40s. Light and variable winds.

SUNDAY
Cloudy. A chance of showers in the morning, then showers in the afternoon. Highs around 60. Light and variable winds. Chance of rain 80 percent.

SUNDAY NIGHT
Showers. Lows in the upper 40s. Chance of rain 80 percent.

MONDAY
Partly sunny. Highs in the mid 60s.

MONDAY NIGHT
Partly cloudy. Lows in the mid 40s.

TUESDAY
Partly sunny. Highs around 60.

TUESDAY NIGHT
Partly cloudy. Lows in the mid 40s.

WEDNESDAY
Partly sunny. Highs in the upper 50s.

WEDNESDAY NIGHT
Partly cloudy. Lows in the mid 40s.

THURSDAY
Partly sunny. A chance of showers in the afternoon. Highs in the upper 50s. Chance of rain 30 percent.

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 9/18/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Friday
18 SEP 2026

2 PM

73°

73°

Partly Cloudy

0%

0% Thunder
( 0% severe)

NW 10

53%

55°

High 74°

5 PM

70°

70°

Partly Cloudy

NW 10

49%

50°

Partly Cloudy

8 PM

62°

62°

Partly Cloudy

0%

0% Thunder
( 0% severe)

NNW 6

54%

45°

11 PM

54°

54°

Mostly Cloudy

NNW 3

66%

43°

Saturday
19 SEP 2026

2 AM

48°

47°

Mostly Cloudy

0%

0% Thunder
( 0% severe)

CALM

77%

41°

Low 44°

5 AM

45°

44°

Partly Cloudy

NNW 2

76%

38°

High 66°

8 AM

48°

47°

Clear

0%

0% Thunder
( 0% severe)

N 2

74%

40°

Partly Cloudy

11 AM

59°

60°

Clear

CALM

49%

40°

2 PM

64°

66°

Partly Cloudy

0%

0% Thunder
( 0% severe)

CALM

41%

40°

5 PM

63°

64°

Partly Cloudy

CALM

46%

42°

8 PM

53°

53°

Partly Cloudy

0%

0% Thunder
( 0% severe)

CALM

69%

43°

11 PM

48°

47°

Partly Cloudy

CALM

86%

44°

Sunday
20 SEP 2026

2 AM

46°

45°

Mostly Cloudy

0%

0% Thunder
( 0% severe)

CALM

89%

43°

Low 44°

5 AM

46°

45°

Mostly Cloudy

CALM

89%

43°

High 63°

8 AM

50°

50°

Mostly Cloudy

7%

0% Thunder
( 3% severe)

CALM

83%

45°

Mostly Cloudy

Chance of Rain

11 AM

58°

58°

Mostly Cloudy

S 5

69%

48°

2 PM

59°

59°

Mostly Cloudy

50%
RAIN
***

0% Thunder
( 7% severe)

SSE 5

67%

48°

5 PM

58°

58°

Mostly Cloudy

SSE 3

75%

50°

8 PM

56°

56°

Mostly Cloudy

CALM

83%

51°


ROCHESTER, NH extended weather forecast
Monday 21 SEP 2026	Tuesday 22 SEP 2026	Wednesday 23 SEP 2026	Thursday 24 SEP 2026	Friday 25 SEP 2026
Low 48°	Low 43°	Low 40°	Low 43°	Low 46°
High 67°	High 61°	High 59°	High 64°	High 67°

Mostly Cloudy 62% Rain	Mostly Cloudy 22% Rain	Overcast 30% Rain	Overcast 43% Rain	Mostly Cloudy 39% Rain

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