Sunnyvale Field (CT21) Area Aviation Weather & Runway Winds
Aviation weather near Sunnyvale Field in North Stonington, CT, decoded from the nearest reporting station (KWST) — conditions, runway crosswinds, and free Telegram airport alerts.
Sunnyvale Field (CT21) is a general aviation airport serving pilots in and around North Stonington, CT at 213 ft. CT21 has no weather station of its own — conditions here are decoded from KWST, about 7 nm away, the nearest reporting station, and local conditions can differ. Its 2 runways (1, 19) — longest 2,004 ft — are checked against the current wind in the crosswind table below. The nearest TAF is issued for KGON. Track it in the ATIS Alerts Telegram bot to get alerts read from KWST, the station this page is based on.
No weather station at this airport — showing the nearest station KWST, 6.8 nm away.
Current pilot readout for CT21
A current METAR is not available for CT21 right now. The nearest reporting station is KWST. Check back shortly, review a nearby reporting station, and always confirm with an official briefing before flight.
⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
New to aviation weather? How to read a METAR → · What VFR/MVFR/IFR mean → · Decode any METAR/TAF → · Density altitude calculator →
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Track CT21 free on TelegramRunway wind check
Estimated head/tailwind and crosswind for each runway end from the current reported wind.
Use this section to quickly compare current wind alignment across available runways at CT21. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.
Current wind is calm — calm wind is not a factor for runway selection, and with no wind there is no head/tail or crosswind component to compute. Live numbers return automatically once a report includes a wind direction.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 1 | 2,004 ft | Dirt | — | — |
| 19 | 2,004 ft | Dirt | — | — |
Open the crosswind calculator — try your own wind and runway numbers →
CT21 weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast — drag to pan, tap ⚡ to toggle lightning.
Live weather radar around Sunnyvale Field in North Stonington, CT: the NOAA/NWS NEXRAD composite updates about every five minutes, with NOAA lightning strike density overlaid. The loop plays the past 50 minutes, then continues into a future-radar forecast (+1 to +4 hours, NOAA HRRR model) so you can see where precipitation around CT21 is headed.
Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © OpenStreetMap © CARTO
Forecast frames (amber label) are HRRR model guidance, not observed radar. Lightning strike density appears as a blue-white glow when strikes are detected in view. Radar and lightning coverage are limited in parts of Alaska, Hawaii, and offshore areas. Not for navigation.
Recent aviation weather trends at CT21
From ATIS Alerts' hourly weather history.
History is still being collected — check back in a few days.
Most recent change: MVFR → VFR
- 1/19
- 100%
Get free ATIS alerts for CT21
We'll message you on Telegram when a new report moves the picture near CT21 (Sunnyvale Field) — alerts read from KWST, the station this page uses.
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Airport facts
Reference data from the OurAirports dataset.
- Type
- General aviation airport
- FAA LID
- CT21
- City
- North Stonington
- State
- Connecticut
- Country
- United States
- Elevation
- 213 ft
- Coordinates
- 41.4606, -71.8300
- Runways
- 2
- Longest runway
- 2,004 ft
- Weather reporting
- Nearest station KWST
- TAF
- Nearest KGON
- Time zone
- America/New_York
- Next sunset
- 19h 25m
Run a flight school, FBO, or club here? Embed CT21's live status on your website — free →
Nearby airports
Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.
Within 25 NM
9 airports+3 more within 25 NM
25–50 NM
7 airports+1 more within 50 NM
50–100 NM
8 airports+2 more within 100 NM
RC flying fields nearby
AMA model-aircraft club fields around this airport — live wind, crosswind & flyability on each page.
- Borderline R/C Flyers - Greenhaven Rd — Pawcatuck, CT · 7 mi
- Rhode Island Soaring Club - S County Trail — Richmond, RI · 11 mi
- Rhode Island Soaring Club - Heaton Orchard Rd — Richmond, RI · 11 mi
CT21 weather — frequently asked
What runways are available at CT21?+
CT21 has 2 runways — 1, 19; the longest is 2,004 ft. This page computes the live crosswind for each runway end from the current wind.
Where does the weather shown for CT21 come from?+
Sunnyvale Field does not have its own weather station. Conditions shown here come from the nearest reporting station, KWST, about 7 nm away — close enough for situational awareness, but local conditions at CT21 can differ.
Does CT21 have a TAF?+
No — CT21 does not publish its own TAF. The nearest TAF station is KGON, about 13 nm away.
Does CT21 broadcast D-ATIS?+
No — CT21 does not broadcast D-ATIS. Alerts for CT21 from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR (via the nearest reporting station) instead.
Pilot PIREPs for Sunnyvale Field (CT21)
Community-submittedCommunity-submitted airport notes from pilots about runway conditions, wildlife, FBOs, fuel, turbulence, ramp access, and local tips.
Read recent community-submitted pilot notes for Sunnyvale Field, including runway conditions, wildlife activity, FBO/fuel notes, turbulence, ramp access, and local airport tips.
⚠️ Pilot PIREPs on ATIS Alerts are community-submitted airport notes for situational awareness only. They are not official FAA PIREPs, NOTAMs, weather briefings, airport advisories, or flight-planning guidance. Always verify with official FAA/NWS sources, airport management, ATC, and current publications.
No Pilot PIREPs have been submitted for CT21 yet. Recently flew here? Help the next pilot by leaving a quick airport note.
Pilot PIREPs are community pilot notes for situational awareness only — not official FAA PIREPs or advisories. Verify with official sources. Notes are moderated before they appear; helpful marks and reports help us keep them useful.
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⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
METAR source temporarily unavailable.
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