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Generators in Herndon: Fairfax County has seen damaging thunderstorm winds and floods in the last 10 years, with hail up to 1.75 inches.

Weather and your home

In Fairfax County, July highs average about 88°F and January lows about 26°F, with roughly 43 inches of rain a year.

Storms

Over the last 10 years the National Weather Service recorded damaging thunderstorm winds, floods and flash floods in Fairfax County, with hail up to 1.75 inches across. After a storm, a quick roof and gutter check catches damage before it turns into a leak.

Disaster history

Fairfax County has had 13 federal disaster declarations in the last 25 years, most often for hurricanes; the latest was Severe Winter Storm (2026).

Services

Roof repair in Herndon · AC & heating repair in Herndon · Plumbing in Herndon · Electrical in Herndon · Gutters in Herndon · Pest control in Herndon · Lawn care in Herndon · Pool service in Herndon · Siding in Herndon · Windows & doors in Herndon · Solar in Herndon · Generators in Herndon · Insulation in Herndon · Remodeling in Herndon · Kitchen remodeling in Herndon · Bathroom remodeling in Herndon · Painting in Herndon · Flooring in Herndon · Drywall in Herndon · Concrete & pavers in Herndon · Fencing in Herndon · Decks in Herndon · Tree service in Herndon · Pressure washing in Herndon · House cleaning in Herndon · Junk removal in Herndon · Garage doors in Herndon · Appliance repair in Herndon · Water & mold restoration in Herndon · Foundation repair in Herndon · Handyman in Herndon

Questions

What size generator do I need?

Enough for the fridge, heating or cooling, lights and medical equipment; the pro sizes it from what you want running.

Standby or portable?

A standby generator starts on its own in an outage; portable is cheaper but has to be wheeled out and fuelled.

Nearby

Vienna · Fairfax · Falls Church · Clifton · Leesburg · Manassas Park · Manassas · Haymarket