Forest Grove Weather in August

August in Forest Grove sees daytime temperatures around 17°C (63°F) and lows of 12°C (54°F) at night. With around 122 mm (4.8 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Forest Grove in August

On average, there are about 15 days with rain during this month, averaging 122 mm (4.8 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Forest Grove in August

Daytime highs in Forest Grove in August reach 17°C (63°F), with nights around 12°C (54°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights cool down to 12°C (54°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions. The weather this month is milder than usual, but still provides a warm and pleasant atmosphere.

August in Forest Grove has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.