Name: Pollen forecast for Weymouth (2026-09-01)
Creator: Pollen Count
Published: 2026-09-01T15:30:46Z
License: https://pollencount.org/terms/

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About Pollen in Weymouth

Spring presents peak Birch pollen (late March-April) from Weymouth’s urban trees and Nothe Gardens; Oak pollen follows (April-May) from parkland and Radipole Lake surrounds. Summer sees high Grass pollen (May-July) from bordering meadows and River Wey catchment.

Coastal air currents influence pollen dispersal, yet Weymouth’s sheltered urban pockets can concentrate allergens; late autumn-winter exhibits elevated Mould spores, exacerbated by damp conditions and decaying foliage in areas like Sandsfoot Gardens and Radipole Lake.

The pollen count in Weymouth today is MED, driven mainly by Giant Ragweed.

MED

15 active species

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4-Day Forecast:

Morning

Grass LOW

Tree LOW

Weed LOW

Afternoon

Grass LOW

Tree LOW

Weed MED

Evening

Grass LOW

Tree LOW

Weed LOW

Species	Level	Count
🌿 Giant Ragweed	MED	8 grains/m³
🌿 Common Ragweed	MED	7 grains/m³
🌿 Mugwort	MED	5 grains/m³
🌾 Cock's-foot	LOW	3 grains/m³
🌾 Perennial Ryegrass	LOW	3 grains/m³
+35 more tracked Timothy Grass Grass (mixed) Pigweed Western Ragweed Fat Hen Ribwort Plantain Russian Thistle Stinging Nettle Sagebrush Common Sorrel Box Elder Alder Paper Birch Silver Birch Downy Birch Australian Pine Japanese Cypress Hazel Japanese Cedar Mediterranean Cypress Bermuda Grass Ash Mountain Cedar White Mulberry Olive Pellitory-of-the-wall Upright Pellitory Parthenium Weed London Plane Black Poplar Mesquite White Oak Holm Oak English Oak Field Elm All species in the app: Android iOS
🌿 Giant Ragweed	LOW	4 grains/m³
🌿 Common Ragweed	LOW	3 grains/m³
🌿 Mugwort	LOW	2 grains/m³
🌿 Pigweed	LOW	1 grains/m³
🌿 Western Ragweed	LOW	1 grains/m³
+35 more tracked Sagebrush Fat Hen Cock's-foot Perennial Ryegrass Timothy Grass Ribwort Plantain Grass (mixed) Common Sorrel Russian Thistle Stinging Nettle Box Elder Alder Paper Birch Silver Birch Downy Birch Australian Pine Japanese Cypress Hazel Japanese Cedar Mediterranean Cypress Bermuda Grass Ash Mountain Cedar White Mulberry Olive Pellitory-of-the-wall Upright Pellitory Parthenium Weed London Plane Black Poplar Mesquite White Oak Holm Oak English Oak Field Elm All species in the app: Android iOS
🌿 Giant Ragweed	MED	6 grains/m³
🌿 Common Ragweed	MED	5 grains/m³
🌿 Mugwort	LOW	3 grains/m³
🌿 Western Ragweed	LOW	2 grains/m³
🌿 Russian Thistle	LOW	2 grains/m³
+35 more tracked Stinging Nettle Pigweed Sagebrush Fat Hen Cock's-foot Perennial Ryegrass Timothy Grass Ribwort Plantain Grass (mixed) Common Sorrel Box Elder Alder Paper Birch Silver Birch Downy Birch Australian Pine Japanese Cypress Hazel Japanese Cedar Mediterranean Cypress Bermuda Grass Ash Mountain Cedar White Mulberry Olive Pellitory-of-the-wall Upright Pellitory Parthenium Weed London Plane Black Poplar Mesquite White Oak Holm Oak English Oak Field Elm All species in the app: Android iOS
🌿 Giant Ragweed	MED	7 grains/m³
🌿 Common Ragweed	MED	6 grains/m³
🌿 Mugwort	LOW	4 grains/m³
🌿 Pigweed	LOW	2 grains/m³
🌿 Western Ragweed	LOW	2 grains/m³
+35 more tracked Fat Hen Ribwort Plantain Russian Thistle Stinging Nettle Sagebrush Cock's-foot Perennial Ryegrass Timothy Grass Grass (mixed) Common Sorrel Box Elder Alder Paper Birch Silver Birch Downy Birch Australian Pine Japanese Cypress Hazel Japanese Cedar Mediterranean Cypress Bermuda Grass Ash Mountain Cedar White Mulberry Olive Pellitory-of-the-wall Upright Pellitory Parthenium Weed London Plane Black Poplar Mesquite White Oak Holm Oak English Oak Field Elm All species in the app: Android iOS

Last updated: 15:30 UTC

4-Day Forecast	Tree	Grass	Weed
Tue 1 Sep	LOW	LOW	MED
Wed 2 Sep	LOW	LOW	LOW
Thu 3 Sep	LOW	LOW	MED
Fri 4 Sep	LOW	LOW	MED

Map of Weymouth (50.611367°, -2.488949°)

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What Pollen Levels Mean

LOW Symptoms are unlikely

MED Moderate risk of symptoms

HIGH Widespread symptoms likely

V.HI Expect significant symptoms

X.HI Extremely high symptom likelihood & severity