Temperature Today in New Hampshire (NH)
Temperature today in New Hampshire delivers real-time weather observations, regional climate intelligence, and 7-day extended forecasts across all major metropolitan areas.
New Hampshire Climate & Atmospheric Dynamics
Atmospheric Systems & Prevailing Air Masses
New Hampshire experiences a diverse regional climate system shaped by continental air currents, local elevation gradients, and seasonal atmospheric transitions across its major metropolitan corridors.
Key Atmospheric Drivers
Influenced by prevailing continental air masses and seasonal barometric oscillations, producing comfortable transitional periods in spring and autumn alongside distinct summer and winter peaks.
Statewide Seasonal Baselines
Topography & Climate Sub-Zones
The state's terrain encompasses varied regional landforms, balancing urban metropolitan developments with surrounding river basins, rolling hills, and rural agricultural plains.
Travel & Thermal Comfort Guidance
Layered clothing is recommended throughout the year to adjust comfortably to diurnal shifts between cool morning baselines and warmer mid-afternoon temperatures.
Major Metropolitan Areas in New Hampshire
6 Cities AvailableHumid continental with warm summers and cold, snowy winters
Humid continental Merrimack river valley climate
Humid continental central New Hampshire capital climate
Humid continental coastal Seacoast river basin climate
Humid continental Cochecho River valley climate
Maritime humid continental Atlantic harbor climate
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Frequently Asked Questions About New Hampshire Weather
Authoritative answers to common questions regarding statewide temperature patterns and climate dynamics in New Hampshire.
Temperature variations across New Hampshire are shaped by local topography, elevation gradients, urban heat island density, and proximity to regional air corridors. Urban centers generally register 2°F to 5°F warmer than surrounding rural terrain.
Peak annual temperatures across New Hampshire typically occur between late June and mid-August, coinciding with maximum solar irradiance and dominant continental high-pressure atmospheric ridges.
Diurnal temperature swings in New Hampshire average between 15°F and 30°F depending on atmospheric humidity, cloud cover, and elevation. Inland valleys and high-elevation basins experience the widest day-to-night shifts.
You can select any metropolitan hub listed in the directory above to view live real-time temperatures, high-resolution 24-hour thermal trendlines, and 7-day extended forecasts in both Fahrenheit (°F) and Celsius (°C).