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Union, New York 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
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NWS Forecast for Union NY
National Weather Service Forecast for:
Union NY
Issued by: National Weather Service Binghamton, NY |
| Updated: 2:30 pm EDT May 4, 2026 |
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This
Afternoon
Mostly Sunny
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Tonight
Partly Cloudy
then Chance
Showers
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Tuesday
Chance
Showers then
Showers
Likely
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Tuesday
Night
Showers
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Wednesday
Rain
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Wednesday
Night
Chance
Showers
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Thursday
Mostly Sunny
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Thursday
Night
Mostly Cloudy
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Friday
Mostly Sunny
then Chance
Showers
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| Hi 69 °F |
Lo 53 °F |
Hi 71 °F |
Lo 45 °F |
Hi 52 °F |
Lo 37 °F |
Hi 53 °F |
Lo 34 °F |
Hi 53 °F |
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Hazardous Weather Outlook
This Afternoon
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Mostly sunny, with a high near 69. Southwest wind around 14 mph, with gusts as high as 25 mph. |
Tonight
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A chance of showers and thunderstorms between 2am and 5am, then a chance of showers after 5am. Partly cloudy, with a low around 53. South wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. |
Tuesday
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A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 3pm, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 71. South wind around 16 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. |
Tuesday Night
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Showers and possibly a thunderstorm. Low around 45. Northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible. |
Wednesday
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Rain, with thunderstorms also possible after 5pm. High near 52. North wind 3 to 7 mph. Chance of precipitation is 100%. |
Wednesday Night
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A chance of showers and thunderstorms. Mostly cloudy, with a low around 37. Chance of precipitation is 40%. |
Thursday
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Mostly sunny, with a high near 53. |
Thursday Night
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Mostly cloudy, with a low around 34. |
Friday
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A chance of showers after 2pm. Mostly sunny, with a high near 53. Chance of precipitation is 30%. |
Friday Night
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A chance of showers before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 40. Chance of precipitation is 30%. |
Saturday
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Showers likely. Partly sunny, with a high near 56. Chance of precipitation is 60%. |
Saturday Night
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Showers likely. Mostly cloudy, with a low around 40. Chance of precipitation is 60%. |
Sunday
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A chance of showers. Partly sunny, with a high near 60. Chance of precipitation is 30%. |
Forecast from NOAA-NWS
for Union NY.
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Weather Forecast Discussion
608
FXUS61 KBGM 041732
AFDBGM
Area Forecast Discussion
National Weather Service Binghamton NY
132 PM EDT Mon May 4 2026
.WHAT HAS CHANGED...
Added in a chance for sprinkles or very light showers this
morning across north-central NY. Increased cloud cover through
late morning as a band of clouds traverses the area from west to
east. Increased temperatures by 1-2 degrees this afternoon, as
it becomes sunny. Also bumped up winds and wind gusts across the
area as soundings show deep boundary layer mixing up to 700mb,
with average winds in this layer around 25 kts.
&&
.KEY MESSAGES...
1) Temperatures will trend warmer to start the week with
increasing shower and thunderstorm chances Tuesday.
2) Slow moving frontal boundary pushes through mid-week with
additional rounds of showers.
3)Another broad trough in place for the weekend bringing more
cool and showery weather.
&&
.DISCUSSION...
KEY MESSAGE 1...
High pressure will continue to slide off the east coast today.
This will result in an increase of southwesterly winds ahead of
an approaching cold front. The front stays far enough west for
one more dry day. With sunshine, temperatures should get well
into the 60`s today and 70`s on Tuesday. The increased moisture
coupled with the lift from the approaching cold front looks
sufficient to develop some scattered showers and thunderstorms
Tuesday afternoon and night. Modeled and ensemble guidance does
show indications for some modest 0-6KM shear of 30-40 knots and
about 500 J/KG CAPE. If the NAM model soundings pan out some
gusty winds may be realized with any thunderstorms. Both this
afternoon and Tuesday afternoon look rather gusty with inverted
V soundings showing up.
KEY MESSAGE 2...
Exact timing of the frontal passage Tuesday night into Thursday
is still somewhat uncertain leading to lower confidence on
Wednesday`s temperatures. Precipitation looks to become more
stratiform as low pressure brings a more widespread rainfall
Wednesday. Total rainfall for the two day period looks to be
around an inch, not sufficient for a flood threat at this time.
The front potentially is still close enough for additional
showers on Thursday with a cooling trend starting.
KEY MESSAGE 3...
Conditional conditions for frost once again Friday morning if
clearing can occur. Attention then turns to the development of a
broad trough of low pressure returning cooler and showery
conditions this weekend.
&&
.AVIATION /18Z MONDAY THROUGH SATURDAY/...
Conditions will be be VFR throughout the TAF period.
Southeasterly winds will be sustained at 10 to 15 kts with gusts
of 20 to 25 kts this afternoon. Overnight, winds will be
slightly less strong but still gusty. Then winds become more
southerly Tuesday morning and get stronger through midday. Peak
gusts of near 30 kts will be possible at most terminals.
Beginning around 03-04z, low-level wind shear (LLWS) will be
possible at all terminals with speeds of 40 to 45 kts. Isolated
to scattered showers are be possible at SYR and RME between 16
and 18z Tuesday, though confidence was too low to include with
this update.
Outlook:
Tuesday Afternoon...Scattered showers and isolated
thunderstorms at Central NY terminals starting in the late
afternoon with restrictions possible under heavier rain.
Wednesday and Thursday...Restrictions possible from rain
showers and thunderstorms.
Friday through Saturday...Chances for showers and restrictions.
&&
.BGM WATCHES/WARNINGS/ADVISORIES...
PA...None.
NY...None.
&&
$$
DISCUSSION...MJM/MWG
AVIATION...BTL
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