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Killeen experiences an extended allergy season due to the warm climate, often starting in late January with cedar pollen and lasting through November with ragweed. Residents of Killeen, TX deal with some of the highest pollen counts in the country.
Right now: October ragweed continues in Killeen. First cold front will bring relief, but timing is unpredictable.
Winter–Spring
Jan – May
Cedar fever peaks Jan–Feb. Oak and elm follow in spring.
Summer
May – Aug
Grass pollen dominates, especially Bermuda and Johnson grass.
Fall
Aug – Nov
Ragweed season extends late due to warm temperatures.
The area around Killeen is notorious for 'cedar fever' in winter — a challenge unique to this region. PollenTracker monitors cedar, grass, and ragweed levels so you can manage symptoms year-round.
Open another nearby forecast without going back to the map.
Weather
78°F
Overcast · 84% humidity · 12 mph wind
CAUTION
Ragweed pollen is high and 12 mph wind is stirring it up. If you need to be outside, aim for the safest window later in the day.
Pollen: Ragweed pollen risk is high today; source reading: Google UPI 3/5 (Moderate).
Lower-risk hours: 06:00-07:00, 07:00
Hourly pollen risk is estimated from weather trends when no live hourly pollen feed is available.
Informational only. Not medical advice. For health concerns, please consult a qualified healthcare provider. Editorial standards.