SYDNEY — WEATHER & HACKER NEWS

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Saturday 19 September 2026
11:00 Sydney · refreshed every 30 min
Now in SYDNEY · 11:00
25°
Clear
Feels 22° 21% humidity 14 km/h W
High 27° Low 13° 05:49 → 17:49
Temperature °C · last 7 days 717 samples · 15 min
min 7.9°max 25.3°
Next 5 daysTemperature range 15° to 27°
SUN20 Sep
Clear
27°15°
Rain
0%
UV
6.8 High
Wind
17 km/h
Pollen
Low
MON21 Sep
Light drizzle
27°15°
Rain
47% · 0.9 mm
UV
6.8 High
Wind
29 km/h
Pollen
—
TUE22 Sep
Light drizzle
17°15°
Rain
63% · 2.6 mm
UV
1.2 Low
Wind
17 km/h
Pollen
—
WED23 Sep
Light drizzle
21°15°
Rain
49% · 0.5 mm
UV
2.7 Low
Wind
18 km/h
Pollen
—
THU24 Sep
Overcast
22°17°
Rain
19%
UV
6.6 High
Wind
22 km/h
Pollen
—
Humidity%
21
dew point 1.1°
min 21%max 97%
Windkm/h
14↑
GentleW · gust 37
min 1max 30
PressurehPa
1022
↓ falling -1.4/3h
min 1007max 1022
Grass pollengrains/m³
Low
Camperdown · modelled
Low0–20Moderate20–50High50–100Extreme100+
AirHealth Pty Ltd
UV index
6.5
Highpeak today 6.8
012+
Air qualityUS AQI
55
ModeratePM2.5 5.0
0PM10 5.1 µg/m³300
Rain todaymm
0.0
0% chance · 2% cloud
chance of rain100%
Daylight
12h 00m
visibility 62.7 km
Sunrise
05:49
Sunset
17:49

Hacker News

top 5
1

Android 17 is the first since 3.x to add new APIs without releasing to the AOSP

491 points 229 comments grapheneos.social
2

How OpenAI Used Its Own LLMs to Design Its Jalapeño Chip

41 points 39 comments spectrum.ieee.org
3

Cloudflare Quick Tunnels

552 points 241 comments try.cloudflare.com
4

Saving another 100TB of RAM

207 points 40 comments blog.cloudflare.com
5

The Farnese letter

24 points 3 comments simonklee.dk