Updated

Boston

Weather forecast · Logan Intl (KBOS)

Today in Boston, : high 54.0 °F, low 39.1 °F, the median of 9 free forecasts (8 for the low).

Forecasts updated (AIGFS 00Z, )Next update

54.0 / 39.1°FHigh / low · Wed 28 Oct · rest of day
Source spread
50.5–56.2 °F
highs · lows 33.8–42.0
Sources
9
5 model groups
Rain
0.00 in · <2%
n 3: ENS, GEFS, GEPS
Now
46 °F
KBOS 11:54 pm
Normal
58 / 44 °F
1991–2020
Alerts
None
NWS

Markets

How each market here settles, and the number so far.

MarketSettles onTodayForecastTomorrowLast settled
Kalshi high Market →Logan Intl KBOS · Kalshi names The Weather Company (shows NWS CLIBOS) · whole °F · midnight–midnight standard time (1 am–1 am now)The climate report can read higher (1-minute data).Today 55°F at 1:54 amForecast —Tomorrow 54.0°F, NBMLast settled —
Kalshi low Market →Logan Intl KBOS · Kalshi names The Weather Company (shows NWS CLIBOS) · whole °F · midnight–midnight standard time (1 am–1 am now)The climate report can read lower (1-minute data).Today 44°F at 9:54 pmForecast —Tomorrow 39.1°F, n 8Last settled —
Kalshi rain Market →Logan Intl KBOS · Kalshi names The Weather Company (shows NWS CLIBOS) · above 0.00 in · standard-time dayToday 0.00 in so farForecast Chance <2%Tomorrow Chance <2%Last settled —
Polymarket rain Market →Logan Intl KBOS · NWS CLIBOS · 0.01 in or more · last report by 2 pm ET next dayToday 0.00 in so farForecast Chance <2%Tomorrow Chance <2%Last settled Oct 26 Polymarket No · ours 0.00 in · 70/70 in 30 d
Kalshi rain · weekend Market →Logan Intl KBOS · Kalshi names The Weather Company (shows NWS CLIBOS) · any rain Saturday or SundayToday No reports yet.Forecast —Tomorrow —Last settled —

NOAA/NWS (public domain); MET Norway, DWD, GEFS via dynamical.org (CC BY 4.0); ECCC (Open Licence); based on ECMWF data (CC BY 4.0; ECMWF accepts no liability); Market rules and results: Kalshi, Polymarket (linked; not affiliated); modified by groundhog. Receipts →

Climate day

  • KBOS · Kalshi, Polymarket daily rain · climate day, 1 am–1 am EDT (midnight–midnight standard time)

    0.00 in so far (reports to 11:54 pm) · radar 0.00 in

    Rest of climate day: <2% of members (n 3: ENS 00Z, GEFS 00Z, GEPS 12Z; raw) · 42 min left

Week

  • High
  • Low
  • Median
  • ~ 6-hourly
°FWed 28Thu 29Fri 30Sat 31Sun 1Mon 2Tue 3
Wed2854.0 / 39.1
Thu2966.7 / 47.0
Fri3068.2 / 51.7
Sat3154.8 / 43.8
Sun159.0 / 40.6
Mon263.0 / 46.0
Tue358.0 / 47.6

By source

SourceWed 28Thu 29Fri 30Sat 31Sun 1Mon 2Tue 3
Median54.0 / 39.166.7 / 47.0n 1068.2 / 51.7n 1054.8 / 43.8n 1059.0 / 40.663.0 / 46.058.0 / 47.6n 8
Source spread50.5–56.233.8–42.062.6–69.144.9–49.263.7–70.047.5–56.051.6–56.039.9–48.057.4–60.833.6–44.057.6–67.842.3–51.054.9–63.944.3–53.4
NBM-based
54/4064/4667/5656/4859/4461/51—
54/—67/4568/5455/4460/3963/4658/48
GFS-based
56/4068/4969/5654/4558/4160/4658/49
56/4266/4868/4954/4460/4458/4955/44
55/43~66/46~67/53~51/41~56/35~62/40~67/49~
ECMWF-based
51/4063/4864/4752/4358/4162/4557/47
53/3867/4568/4952/4260/3567/4261/45
54/39~66/47~67/56~53/44~56/36~63/40~69/48~
—65/4568/5155/4457/38~63/45~58/48~
DWD
52/3969/4970/5255/4557/4163/5063/53
54/3569/4970/4955/4259/3564/4657/48
NAEFS
—66/47~68/55~55/43~58/41~61/49~55/47~
CMC
56/3467/4670/5555/4061/3468/4664/46

~ 6-hourly: shown, not in the median. Grid models: nearest point 12 km away.

CreditsNOAA · MET Norway · DWD · ECCC · Based on ECMWF data (CC BY 4.0) · GeoNamesAll credits
  • Source: NOAA/NWS (US Government work, public domain); NBM/MOS/GFS/AIGFS/HRRR/WPC/MRMS: NOAA NCEP/MDL/NSSL; modified by groundhog (point extraction, local-day max/min, precipitation totals and chances); not endorsed by NOAA
  • Data from MET Norway (Locationforecast 2.0), CC BY 4.0 https://creativecommons.org/licenses/by/4.0/ ; modified: local-day max/min, precipitation totals and chances
  • Quelle: Deutscher Wetterdienst (MOSMIX, CC BY 4.0; modified: local-day max/min, precipitation totals and chances)
  • Data Source: Environment and Climate Change Canada (NAEFS: CMC GEPS members) and NOAA NCEP (GEFS members); modified: member daily max/min quantiles, precipitation totals and chances
  • Based on data and products of the European Centre for Medium-Range Weather Forecasts (ECMWF); ENS read from dynamical.org's archive. CC BY 4.0 https://creativecommons.org/licenses/by/4.0/ ; modified by groundhog (point extraction, local-day max/min, ensemble quantiles, precipitation totals and chances). ECMWF does not accept any liability whatsoever for any error or omission in the data, their availability, or for any loss or damage arising from their use.
  • Place names: GeoNames (geonames.org), CC BY 4.0

Next 72 h

  • Median
  • ENS p10–p90
  • Source
  • 6-hourly
One callline · week · table

One call

curl "https://groundhog.markets/api/v1/blend?place=boston"564 B
curl "https://groundhog.markets/api/v1/blend?place=boston&size=week"864 B
curl "https://groundhog.markets/api/v1/blend?place=boston&size=table"3.1 KB
MCP, params and sizes →