Bushfire Risk in Onslow, WA: 2026 Assessment

Onslow, Western Australia, has a the risk of bushfire in onslow is moderate due to the surrounding arid landscape and vegetation. hot, dry conditions during the summer months increase the likelihood of fire ignition and spread. bushfire risk profile. Key factors include distance to classified bushland, vegetation type, slope, and historical bushfire activity in the region. The Western Australia fire authority maps bushfire-prone areas and assigns BAL (Bushfire Attack Level) ratings.

The area surrounding Onslow is classified as a bushfire-prone area due to the presence of flammable vegetation.

CSIRO research indicates climate change is extending fire seasons and increasing the number of severe fire weather days across southern and eastern Australia. For Onslow, this may mean shifts in bushfire risk levels over the coming decades, making property-level BAL assessment increasingly important.

Use ClimateNest for a complete address-level bushfire risk report for Onslow including BAL zone assessment, evacuation route mapping, and property-specific risk mitigation recommendations.

Onslow sits within ClimateNest's suburb-level hazard model for bushfire risk. 9.2% of the suburb's land area is mapped in high-risk bushfire zones and 76.7% in moderate-risk zones, based on the national hazard overlay. Exposure at this scale varies street by street, which is why an address-level check matters before you buy or insure a specific property in Onslow.

Onslow (postcode 6710) is tracked in ClimateNest's suburb hazard model, which maps the share of the suburb's land exposed to each hazard at high and moderate levels. The suburb's highest high-risk exposures are bushfire (9.2% of land in high-risk zones), surface flood (6.1% of land in high-risk zones), extreme wind (5.2% of land in high-risk zones). Exposure is not uniform across Onslow — individual properties can sit well above or below these averages, so an address-level check is recommended before buying, selling or insuring.