Is Upper Macdonald, NSW Climate Safe? 2026 Assessment

Upper Macdonald, New South Wales· UNKNOWN
Moderate climate risk — address-specificUpdated 10 May 2026

Climate Safety Score

5.8/10

Moderate climate risk — address-specific

Key Facts

Climate Safety
Medium
Flood
Upper Macdonald is located near the Macdonald River and is susceptible to flooding. Riverine flooding can inundate properties and disrupt infrastructure.
Bushfire
The area surrounding Upper Macdonald has a high bushfire risk due to the presence of dense vegetation. Hot, dry conditions exacerbate the risk.
Heat
Upper Macdonald experiences moderate heat. The number of extremely hot days is projected to increase.
Storm
Moderate storm risk — East Coast Lows bring severe weather including hail and damaging winds
Postcode
2775
Highest high-risk exposure
8.3% of land (bushfire)

Climate Safety Analysis

Upper Macdonald in New South Wales has an overall climate safety rating of Medium. This multi-hazard assessment combines flood, bushfire, heat, coastal, and storm risk data with climate projections to 2050 from CSIRO and the Bureau of Meteorology.

Key factors affecting Upper Macdonald's climate safety include flood, bushfire. Each hazard is assessed independently and combined for an overall picture. Australia has warmed by approximately 1.5 °C since 1910, with flow-on effects to fire weather, extreme rainfall, and heatwave frequency.

Climate safety for property in Upper Macdonald is not uniform — it varies by address. Factors such as elevation, distance to waterways, proximity to bushland, and local drainage all influence actual risk at a specific property. Two nearby properties can have materially different risk profiles.

For a complete property-specific climate safety report for Upper Macdonald including address-level hazard mapping, insurance outlook, and adaptation recommendations, use the ClimateNest full analysis tool.

Upper Macdonald (postcode 2775) 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 (8.3% of land in high-risk zones), riverine flood (5.1% of land in high-risk zones), extreme wind (4.2% of land in high-risk zones). Exposure is not uniform across Upper Macdonald — individual properties can sit well above or below these averages, so an address-level check is recommended before buying, selling or insuring.

Local Hazard Evidence

Distance to BushlandAdjacent to dense bushland
BAL OverlayBushfire prone area overlay applies
Nearest WaterwayMacdonald River
Flood ZoneAreas adjacent to the Macdonald River are designated as flood zones.
Avg January Max31.5 °C

Historical Events

2020
Moderate

Heavy rainfall caused the Macdonald River to flood again, impacting homes and businesses.

2019
Major

Bushfires threatened the area, requiring evacuations and property protection measures.

2017
Moderate

Prolonged heatwave conditions put strain on local resources and infrastructure.

2013
Moderate

The Macdonald River flooded, inundating low-lying areas and disrupting traffic.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Construct levees and improve drainage systems to protect properties from flooding.

Est. cost: High

Bushfire Preparedness

Immediate

Implement bushfire management plans and conduct regular hazard reduction burns.

Est. cost: Medium

Heatwave Action Plan

Near-term

Develop a heatwave action plan to protect vulnerable populations during extreme heat events.

Est. cost: Low

Community Education

Long-term

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 Upper Macdonald Risk Reports

Frequently Asked Questions

Is Upper Macdonald safe from climate change?

No location in Australia is entirely immune to climate change impacts. Upper Macdonald has an overall Medium climate risk rating. Understanding the specific hazards at your property address — not just the suburb average — provides the most reliable risk picture.

Which climate hazard poses the biggest risk in Upper Macdonald?

The dominant hazard for Upper Macdonald depends on geography and local environment. Proximity to waterways elevates flood risk, while proximity to bushland increases bushfire risk. ClimateNest's multi-hazard analysis identifies the highest-risk hazards for any specific address.

How does Upper Macdonald compare to nearby suburbs for climate safety?

Nearby suburbs may have different climate risk profiles depending on elevation, vegetation cover, drainage patterns, and land use. ClimateNest allows comparison of climate safety scores across New South Wales suburbs.

Should I be concerned about buying property in Upper Macdonald?

Climate risk should be one factor in your decision, alongside price, location, and amenity. An informed buyer understands the specific risks at a property address and factors insurance costs and climate projections into their assessment of long-term value.

What climate projections should I know for Upper Macdonald?

Key projections for New South Wales from CSIRO include increased average temperatures, more frequent hot days, changes in rainfall seasonality, longer fire seasons, and potential increases in extreme rainfall intensity. These trends inform the long-term outlook for Upper Macdonald.

What share of Upper Macdonald is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 8.3% of Upper Macdonald in high-risk zones for bushfire, with a further 71.4% 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 Upper Macdonald Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Upper Macdonald, 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