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Alton, New Hampshire Weather

Alton, New Hampshire — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery, tides and marine conditions for Alton, Belknap County.

🌡️ Current Conditions
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24-Hour Forecast
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Current Conditions Detail
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7-Day Forecast
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🌊 Marine & Fishing

Tides, marine forecast and fishing conditions near Alton. Nearest NOAA tide station:

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✈️ Aviation Weather

Flight conditions near Alton — sourced from the FAA Aviation Weather Center. Nearest reporting station: locating…

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NWS Extended Forecast
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📡 Precipitation Radar

Live animated radar for Alton and surroundings — RainViewer.

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🛰️ Satellite Imagery

NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.

NOAA GOES-16 CONUS GEOCOLOR satellite animated loop
🛰️ GEOCOLOR loop 🌡️ Infrared (IR) 🌀 NHC Hurricane Satellite 🔗 NOAA Full Viewer

Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload

🌙 Astronomy
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About Alton, New Hampshire

Alton unfolds as a place where the land breathes with the quiet dignity of New Hampshire's Lakes Region. It lies 15.9 miles north-west of Rochester, NH (from Rochester, NH: bearing 310°T), and is situated 8.8 miles west-north-west of Farmington. Rolling hills, softened by a generous spread of deciduous trees and punctuated by the occasional sturdy pine, define its contours, their slopes descending toward the shimmering expanse of Lake Winnipesaukee. The air here, especially in the late afternoon, carries a scent of damp earth and pine needles, a subtle perfume that clings to the skin, mingling with the distant murmur of water. Cobblestone-lined streets, where they exist, are more a memory than a rule, giving way to paved roads that curve with the natural inclinations of the terrain, leading the eye toward vistas of water and sky that seem to hold their breath in the fading light. The story of Alton is one of resilience and adaptation, its roots reaching back to early colonial settlement, a time when the land was coaxed into yielding sustenance. Historically, logging and agriculture were the keystones of its economy, the timber harvested from its abundant forests fueling distant industries and the fertile soil supporting generations of farmers. While those days have largely receded, the spirit of self-sufficiency and a connection to the natural world persist, now finding expression in a thriving tourism sector centered around the lake’s recreational allure. Boat ramps and marinas dot the shoreline, hinting at the lively summer days filled with the splash of oars and the hum of boat engines, a stark yet harmonious contrast to the hushed, snow-laden landscapes of winter that also hold their own unique, stark beauty for Alton.

LocationAlton, Belknap County, New Hampshire
Coordinates43.452302°N, 71.217567°W
TimezoneEastern Time
ZIP Code(s)03809
Area Code603
Page generatedJune 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service