Issaquah Weather in March

March in Issaquah averages 10°C (50°F) during the day and 3°C (37°F) at night. Quite a bit of rainfall is typical this month, with around 187 mm (7.4 in) on average. An umbrella is a good idea.

Rainfall in Issaquah in March

Rain is expected on roughly 24 days, totalling around 187 mm (7.4 in) for the month. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.

Temperature in Issaquah in March

March in Issaquah sees highs of 10°C (50°F) and lows of 3°C (37°F) overnight. It stays cool throughout the day, so warm layers are a good idea from morning to evening. With lows around 3°C (37°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Issaquah in March

With about 179 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

Wind Speed in Issaquah in March

Average wind conditions reach 5 m/s (10 knots) in March. This creates lively weather with fresh winds that make small trees sway noticeably. Remember this is an average: some days are less windy while others have particularly active windy conditions.

March in Issaquah can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.