Storm Risk in Arcadia, NSW: 2026 Assessment

Arcadia, New South Wales· UNKNOWN
Moderate storm risk — East Coast Lows bring severe weather including hail and damaging windsUpdated 10 May 2026

Storm Risk Score

3.9/10

Moderate storm risk — East Coast Lows bring severe weather including hail and damaging winds

Key Facts

Storm Risk
Moderate storm risk — East Coast Lows bring severe weather including hail and damaging winds
Trend
stable
Suburb
Arcadia, NSW
Overall Risk
Medium
Postcode
2159
Region
Greater Sydney
Median property value
$1.6 million
Dominant hazard
extreme heat (5/10)
Highest high-risk exposure
10.5% of land (bushfire)

Storm Risk Analysis

Arcadia, New South Wales, has a moderate storm risk profile. This includes exposure to severe thunderstorms, hail, damaging winds, and — in tropical regions — cyclone impacts. The applicable wind region classification under AS/NZS 1170.2 influences building design standards for Arcadia.

Severe thunderstorms affecting Arcadia can produce damaging wind gusts, large hail, and intense rainfall. The Bureau of Meteorology issues severe weather warnings for New South Wales, and historical storm data helps characterise the frequency and intensity of events in the region.

CSIRO research indicates that the intensity of severe convective storms — including those producing hail and damaging winds — may increase in a warming climate. For Arcadia property owners, this reinforces the value of storm-resistant building features and comprehensive insurance.

ClimateNest provides address-level storm risk reports for Arcadia including wind zone classification, hail risk probability, and property-specific mitigation recommendations based on your building characteristics.

Arcadia sits within ClimateNest's suburb-level hazard model for severe storm risk. 0% of the suburb's land area is mapped in high-risk severe storm zones and 80.1% 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 Arcadia.

On ClimateNest's 0–10 suburb hazard index, Arcadia scores 4 for severe storm risk — a moderate exposure relative to the Australian suburb range. For comparison, properties in Arcadia can still sit well above or below this suburb average depending on elevation, distance to waterways or vegetation, and local drainage.

Arcadia located in Greater Sydney (postcode 2159), is a New South Wales suburb tracked by ClimateNest. The suburb's median property value is $1.6 million, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Arcadia.

Across the six hazard axes ClimateNest models, the dominant climate risk in Arcadia is extreme heat (score 5/10), with moderate exposure. Insurance signals for the suburb point to premiums rising moderately (+20% by 2030). These suburb-level signals help prioritise which properties need the closest look — the actual risk of any single home can only be confirmed with an address-level report.

Whether you are buying, selling or renovating in Arcadia, extreme heat is the hazard to weigh first. Local council planning controls, state hazard mapping and lender climate policies each reference this kind of suburb-level signal, and property decisions in Arcadia are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

Wind/Storm RegionNot applicable
Storm Risk LevelNot applicable
Distance to Coast35 km

Historical Events

2017
Minor

A severe thunderstorm caused localized flooding and power outages in Arcadia.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Upgrade drainage infrastructure and implement flood-proofing measures for properties in flood-prone areas.

Est. cost: Medium

Bushfire Management Plans

Immediate

Develop and implement bushfire management plans for properties and the community, including vegetation clearing and firebreaks.

Est. cost: Low

Promote Energy Efficiency

Long-term

Encourage energy-efficient building design and appliances to reduce energy demand and greenhouse gas emissions.

Est. cost: Medium

Community Awareness Programs

Near-term

Conduct community awareness programs to educate residents about climate risks and adaptation measures.

Est. cost: Low

Council & Emergency Services

Hornsby Shire Council
Emergency Services

Data last updated: 10 May 2026

Explore Arcadia Risk Reports

Frequently Asked Questions

Is Arcadia prone to hailstorms?

Hail risk in Arcadia depends on the frequency of severe thunderstorm activity in the New South Wales region. BOM tracks severe storm events including hail. Property-specific risk depends on roof design, building orientation, and local storm patterns.

What wind rating applies to buildings in Arcadia?

Under AS/NZS 1170.2, properties in Arcadia are assigned a wind region classification. This rating determines structural design requirements for new buildings. Check with ClimateNest or a structural engineer for your property's classification.

Does storm risk affect insurance premiums in Arcadia?

Yes, storm damage — including wind, hail, and rain ingress — is one of the most common insurance claims in Australia. Properties in higher wind zones or with greater hail exposure may face higher premiums or specific policy conditions.

What storm mitigation measures should Arcadia property owners consider?

Storm mitigation includes impact-resistant roofing, cyclone-rated fixings where required, window and door shutters, regular roof and gutter maintenance, securing outdoor items, and ensuring compliance with current wind load standards under the National Construction Code.

What are the main climate risks in Arcadia?

ClimateNest's suburb model rates Arcadia's dominant climate risk as extreme heat at 5/10 on a 0–10 index, followed by damaging wind (4/10) and severe storm (4/10). These are suburb-level averages — an address-level report is needed to confirm the risk of a specific property in Arcadia.

What share of Arcadia is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 10.5% of Arcadia in high-risk zones for bushfire, with a further 71% in moderate-risk zones. Suburb-level exposure is not uniform — individual properties can differ from these averages, so an address-level check is recommended.

Is Arcadia Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Arcadia, New South Wales, covering flood, bushfire, sea level rise and more.

Free instant previewCSIRO-powered data

What A$69 could save you from

$7.2B
2022 insured disaster losses*
$300B+
climate risk to property by 2050*
30-120%
insurance premium increases in high-risk areas*

*Industry sources: ICA, APRA, RBA

Full report from A$69 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections