station climatology
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Wellington

20:00 local
view on polymarket ↗
live obs
18°C
NZWN 0700Z
today high so far
18°C
at 18:30 · last 20:00
peakalready set
left to climb+0.3°
observed 20:00 local
usually warmestsunset 20:12
00040812162024 now
chance of each range today's high, live updates with each report
rangeestimatemarket
≤15°C0%0¢
16°C0%0¢
17°C0%0¢
18°C>99%94¢
19°C0%5¢
20°C0%0¢
21°C0%0¢
22°C0%0¢
23°C0%0¢
24°C0%0¢
≥25°C0%0¢
Our estimate, from CMA GRAPES's forecast made early this morning (19.3° after taking out its usual 0.5° cold lean here), narrowed by what NZWN has reported so far and by how much it usually still climbs after this hour. Replayed on 19 past days (967 station-days): ranges it gave about 30% happened about 30% of the time. Its most likely range came true about a third of the time at 08:00, two thirds at 14:00 and nearly always by 17:00. The market price is the crowd's view; neither is advice.
live temperature, 24h °C local
10°12°14°16°18°20°22:0001:0004:0007:0010:0013:0016:0019:00ECMWF 18°CNOW 18°C
10°12°14°16°18°20°00:0006:0012:0018:0000:0006:0012:0018:00ECMWF 18°CNOW 18°C
actual dewpoint ecmwf usual range
station report raw METAR NZWN, 8 obs
METAR NZWN 100700Z AUTO 01012KT 9999 -RA BKN026/// BKN033/// 18/16 Q1015
local temp dew wind cloud wx
20:00 18° 16° 010/12 BKN026 -RA
19:30 18° 16° 030/14 OVC041 —
19:00 18° 17° 030/12 OVC047 —
18:30 18° 17° 020/07 BKN030 -RA
18:00 16° 15° 320/01 BKN034 RA BR
17:30 16° 15° 230/03 OVC055 RA BR
17:00 16° 16° 190/01 BKN037 RA BR
16:30 16° 15° 210/02 BKN041 -RA
current state
▲
METAR 18°C at 20:00 local, +2.0°C vs 14d-median (16°C this hour) NZWN, running ahead of climatology
✓
Peak hour 14:00 has passed — today's maximum so far is 18°C climb projections apply before the peak, not after it
~
Climb (last ~90min): +0.0°C/h, dewpoint falling (16°C→16°C) drying — accelerates warming
●
Today vs ECMWF: running +2.0°C ahead of forecast trajectory ECMWF ens-mean 18°C, current 18°C @ 20:00
stations temperature + wind loading…
cool hot colour = deviation from network median, arrow = wind direction, length = speed

Cloud cover layers — METAR reports the lowest broken/overcast layer first. Higher number = more sky covered.

SKC / CLR / NCDclear sky, no significant clouds
FEW1–2 oktas (12–25% cover), light scatter
SCT3–4 oktas (37–50%), scattered
BKN5–7 oktas (62–87%), broken (mostly cloudy)
OVC8 oktas (100%), overcast
VVvertical visibility (sky obscured by fog/precip)
+CBcumulonimbus suffix, thunderstorm cell
+TCUtowering cumulus, pre-storm vertical development

BKN014 = broken cloud at 1,400 ft. BKN014+CB = broken cloud + cumulonimbus present.

2026-11-10
this hour median 16.0°C usual 14.0°C–17.0°C
typical 14:00 18.0°C usual 16.0°C–20.0°C
noon → peak climb +1.0°C
how hot it gets last 14 days
22°C
14d high, 2026 11 05
avg high18.0°C
usual range16.0°C – 20.0°C
days ≥19°C7 / 14
days ≥20°C4 / 14
days ≥21°C3 / 14
when it peaks where the daily maximum usually lands
12:00–15:00
where the high landed on 64% of days

On dates near this one, this station's daily maximum fell between 12:00 and 15:00 local on 64% of 129 days, most often around 13:00.

The five-year mean curve is highest at 14:00 — that is when the average day is warmest, which runs later than the typical day's own peak.

Use the noon→later climb panel on the right to map current readings to expected peak.

afternoon climb noon to the peak 5-year mean for this date
12:00 → 13:00+0.3°C mean, 5y, n=134
12:00 → 14:00+0.4°C mean, 5y, n=134
12:00 → 15:00+0.4°C mean, 5y, n=134
12:00 → 16:00+0.2°C mean, 5y, n=134
12:00 → 17:00-0.2°C mean, 5y, n=134
12:00 → 18:00-0.7°C mean, 5y, n=134
12:00 → 19:00-1.2°C mean, 5y, n=134
12:00 → 20:00-1.8°C mean, 5y, n=134
today @ 12:00—
implied peak— vs ecmwf 18°C
heating passport climb to peak 136 observations per hour, 5 years, ±7 days
18° now at 20:00peak already set on 100% of days by nowtypically only +0.3° left (p90 +1.0°)
hrtemp remaining climbmean already peaked
0014°+3.8°9%
0114°+4.0°9%
0214°+4.2°9%
0314°+4.3°9%
0414°+4.3°9%
0514°+4.4°9%
0614°+4.5°7%
0714°+4.2°7%
0815°+3.5°7%
0915°+2.9°7%
1016°+2.2°13%
1117°+1.6°31%
1217°+1.1°49%
1317°+0.7°72%
1417°+0.6°85%
1517°+0.4°93%
1617°+0.3°94%
1717°+0.4°97%
1816°+0.3°99%
1916°+0.2°100%
2015°+0.3°100%
2115°+0.1°100%
2215°+0.1°100%
2315°+0.1°100%
cloud regime Sep–Nov, against this date's normal
nowbroken-0.2° across 116 days (-0.5 to +0.2) — not separable from normal. Treat as no signal today.
coldernormalwarmer
clear+0.8°74d
few+0.2°82d
scattered+0.4°53d
broken-0.2°116d
overcast-1.3°63d
Each bar is the middle half of days (25th–75th percentile) under that sky, with a tick at the mean; the centre line is this station's normal for the date. Sky state is the mean cover across the hours the day warms (09–15 local), not a single reading. An indicator, not a cause — where a sky state is rare it tends to arrive with the system that made it rare, so a large figure is usually the weather pattern showing through the cloud rather than the cloud itself. Greyed rows are not separable from normal.
wind regime Sep–Nov, against this date's normal
nowN at 12kt0.8° above normal across 227 days (+0.6 to +1.0).
coldernormalwarmer
NW+1.9°15d
N+0.8°227d
VARIABLE+0.2°27d
SW-0.3°10d
S-2.0°87d
SE-2.9°15d
Each bar is the middle half of days (25th–75th percentile) for that direction, with a tick at the mean; the centre line is this station's normal for the date. Direction is where the wind came from. An indicator, not a cause -- a direction arrives with a weather system, and it is the system you are seeing. Greyed rows are not separable from normal. ⚠ “now” is the latest single observation, while the history buckets whole days (09–15 local averaged), so today may still finish in a different sector.
hourly profile, 14d median local time
localmedminmaxp25p75
00:00 16°C 9°C 18°C 12°C 16°C
01:00 15°C 9°C 17°C 13°C 16°C
02:00 15°C 9°C 17°C 12°C 16°C
03:00 15°C 9°C 17°C 12°C 16°C
04:00 15°C 9°C 17°C 12°C 16°C
05:00 15°C 9°C 18°C 11°C 15°C
06:00 14°C 9°C 17°C 12°C 16°C
07:00 15°C 10°C 18°C 13°C 16°C
08:00 15°C 11°C 19°C 13°C 16°C
09:00 16°C 11°C 20°C 13°C 17°C
10:00 16°C 11°C 20°C 14°C 19°C
11:00 17°C 11°C 21°C 14°C 18°C
12:00 17°C 11°C 21°C 15°C 19°C
13:00 17°C 11°C 22°C 15°C 18°C
14:00 17°C 12°C 22°C 16°C 19°C
15:00 18°C 13°C 22°C 16°C 19°C
16:00 18°C 13°C 22°C 16°C 19°C
17:00 18°C 12°C 21°C 15°C 19°C
18:00 18°C 12°C 20°C 15°C 18°C
19:00 16°C 12°C 18°C 15°C 18°C
20:00 16°C 11°C 18°C 14°C 17°C
21:00 16°C 10°C 17°C 14°C 17°C
22:00 16°C 9°C 17°C 14°C 17°C
23:00 16°C 9°C 18°C 12°C 17°C
observed highs last 14 days Iowa Environmental Mesonet
11-10 15°C —
11-09 17°C —
11-08 20°C —
11-07 21°C —
11-06 19°C —
11-05 22°C —
11-04 21°C —
11-03 19°C —
11-02 18°C —
11-01 16°C —
10-31 13°C —
10-30 18°C —
10-29 19°C —
10-28 17°C —
forecast record what our morning pick said last 14 days
daymodelsaid highmiss
08-11ECMWF19°20°-0.5°
07-11ECMWF19°21°-1.5°
06-11ECMWF20°19°+1.1°
05-11CMA GRAPES20°22°-1.5°
04-11CMA GRAPES19°21°-1.7°
03-11CMA GRAPES18°19°-0.8°
02-11ECMWF18°18°+0.0°
01-11ECMWF17°16°+0.7°
31-10ECMWF15°13°+1.7°
30-10ECMWF19°18°+0.7°
29-10CMA GRAPES17°19°-2.3°
28-10CMA GRAPES16°17°-0.7°
27-10CMA GRAPES15°16°-0.6°
26-10ECMWF17°18°-1.1°
Each morning the site picks the model that has missed least here lately and takes out its usual lean; this is that forecast, made before the day's heating, beside what the station recorded. Over all 30 scored days: a typical miss of 1.0°, within a degree on 53% of days.
what each model says daily maximum ordered by accuracy at this station
models disagree by3.5°across 7 models today
modeltoday tomorrow its typical miss
UK Met Office17.4°19.2°0.78°most accurate here
CMA GRAPES18.5°19.9°0.86°
Environment Canada GEM19.1°16.9°1.03°
DWD ICON18.1°17.8°1.12°
ECMWF IFS20.2°17.3°1.27°
NOAA GFS16.7°18.2°1.29°
JMA GSM17.9°16.7°2.01°
Ordered by each model's track record at this station, not by a global ranking — the best model is not the same everywhere, and the median gap between a station's best and worst model is 1.2°C. A wide disagreement means the models have found different weather, not that the average of them is right.
model skill which model to trust here vs observed station max
model accuracy typical miss warm / cold within 1°
UK Met Office0.78°-0.29°68%
CMA GRAPES0.86°-0.36°66%
Environment Canada GEM1.03°-0.48°63%
DWD ICON1.12°-0.87°47%
ECMWF IFS1.27°-1.21°45%
NOAA GFS1.29°-1.16°45%
JMA GSM2.01°-2.00°21%
Typical miss is how far off the model usually is, in either direction — lower is better. Warm / cold is which way it leans: a model can be accurate on average and still run consistently warm here. Within 1° is how often it landed inside a degree. Scored against what this station actually recorded, over 38 days.
forecast TAF, valid 10/06Z→11/12ZAMENDED
base10/06Z→11/12Z020° 5kt; 10km+; light rain; scattered at 1,400ft; broken at 2,000ft
temporarily10/06Z→10/09Z4000m; heavy rain
becoming10/08Z→10/10Z020° 15kt gusting 25
temporarily10/14Z→10/18Z6000m; showers rain; broken at 1,200ft
becoming10/21Z→10/23Z360° 20kt gusting 35
temporarily11/00Z→11/03Z6000m; showers rain
becoming11/09Z→11/11Z340° 15kt gusting 25
TAF COR NZWN 100507Z 1006/1112 02005KT 9999 -RA SCT014 BKN020 TEMPO 1006/1009 4000 +RA BECMG 1008/1010 02015G25KT TEMPO 1014/1018 6000 SHRA BKN012 BECMG 1021/1023 36020G35KT TEMPO 1100/1103 6000 SHRA BECMG 1109/1111 34015G25KT
market vs climatology today 68 past days near this date
max market climatology marketclimate days
≤15°C0%13%9/68
16°C0%4%3/68
17°C0%10%7/68
18°C94%18%12/68
19°C5%32%22/68
20°C0%7%5/68
21°C0%12%8/68
22°C0%1%1/68
23°C0%0%0/68
24°C0%1%1/68
≥25°C0%0%0/68
Climatology is what this station actually recorded on this date across five years of IEM observations, bucketed on the rounded whole degree exactly as the market settles. It is a base rate, not a forecast — it knows nothing about today's weather, and the market does. Where the two differ, the market usually has the better information. Market column sums to 100% and climatology to 100%.