Arlington, New York Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Arlington weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain57%0.61″95°73°—
- SundayJul 5Drizzle30%0.03″87°73°-8°
- MondayJul 6Heavy Showers77%1.9″73°64°-14°
- TuesdayJul 7Light Showers76%0.21″65°60°-8°
- WednesdayJul 8Overcast21%—81°59°+16°
- ThursdayJul 9Light Drizzle13%0.01″91°64°+10°
- FridayJul 10Light Drizzle59%0.01″82°65°-9°
AQI 51 (Moderate), driven by Ozone. AQI up 17 in the last 6 hours — air quality is degrading. Ozone at AQI 55 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 10 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 55 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
- Present
- AQI 55
- UV peak
- 4.0 at earlier today
- Sky at peak
- partly cloudy
- Projected peak
- AQI 55
PM × Wind × Precip
PM2.5 at 5.3 µg/m³, PM10 at 6.2 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.85
- Wind
- breezy
- Recent rain
- 0h in last 6h
- Pattern
- background
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 10:52 PM
- Moonset
- 9:57 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Arlington at a glance
- Today vs. normal: 25°F above the seasonal normal for this latitude
- Last frost: April 26 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Arlington
- Sat96°73°57%
- Sun87°72°30%
- Mon73°64°77%
- Tue65°60°76%
- Wed81°59°21%
- Thu91°64°13%
- Fri82°65°59%
- Sat85°67°28%
- Sun76°63°27%
- Mon78°61°24%
- Tue83°63°31%
- Wed88°56°33%
- Thu85°61°52%
- Fri93°63°48%
- Sat89°67°32%
- Sun86°70°46%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Arlington
SPC has placed Arlington in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
Microseason · July 1–5
Cicadas claim the afternoon
Annual cicada buzz begins, peaking in the heat of the day.
Day 185 of 365 · Wedge 37 of 72
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | — | — |
| April | lettuce, peas, spinach, radishes | — |
| May | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
The year in Arlington tops out in July (~73°F) and dips lowest in January (~27°F), with October wettest at 4.6 inches and February driest at 2.8 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 27° | 3.5″ | 7 |
| February | 29° | 2.8″ | 6 |
| March | 37° | 3.5″ | 6 |
| April | 49° | 3.9″ | 7 |
| May | 60° | 3.5″ | 9 |
| June | 68° | 4.6″ | 9 |
| July | 73° | 4.5″ | 7 |
| August | 72° | 4.3″ | 7 |
| September | 64° | 4.6″ | 6 |
| October | 52° | 4.6″ | 7 |
| November | 42° | 3.5″ | 6 |
| December | 33° | 3.8″ | 8 |
Regional context
Arlington swings from 27°F in January to 73°F in July (46°F) per NOAA NCEI 1991-2020 normals; precipitation in Arlington runs about 47.2 inches on roughly 84 measurable days.
No season owns Arlington's rain: September reaches 4.6 inches across 5.9 days and February keeps 2.8 inches on 6.4, an even spread through Arlington's year. That even rhythm groups Arlington with places like Vassar College, NY, Poughkeepsie, NY and MacDonnell Heights, NY.
Arlington reaches its last hard frost near mid-April; that is the cue for kale, peas, spinach, and parsnips. Arlington's heat-lovers — tomatoes, peppers, squash — hold off until Arlington's frost risk clears, 10-14 days on. Frost returns to Arlington near mid-November, ending the tender-crop season. A creek-bottom lot in Arlington can lag Arlington's last frost 7-10 days behind a south slope.
Similar climates: Vassar College, NY, Poughkeepsie, NY, MacDonnell Heights, NY, Marist College, NY, Fairview, NY.
Frequently asked
- When does it freeze in Arlington?
- Arlington's last spring frost lands near mid-April, and in Arlington the first fall frost follows around mid-November.
- What is the rainy season in Arlington?
- October is the wettest month in Arlington, about 4.6 inches on average; the year totals roughly 47 inches.
- What is the warmest month in Arlington?
- On average July tops the year in Arlington at about 73°F.
- What is the coldest month in Arlington?
- The coldest stretch in Arlington falls in January, around 27°F on average.
- When can I start a vegetable garden in Arlington?
- In Arlington, sow peas and hardy greens around mid-April; Arlington's tomatoes and peppers wait two weeks more.
- How many rainy days does Arlington get?
- Arlington averages about 84 days with measurable rain or snow each year.
- What hardiness zone is Arlington?
- Since January in Arlington averages 27°F, Arlington's USDA zone follows that floor — confirm it by ZIP.
- What is the 10-day forecast for Arlington?
- Arlington's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in Arlington?
- See this week's day-by-day rain chances for Arlington in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Arlington?
- Current conditions for Arlington and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Arlington forecast updated?
- The Arlington forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Arlington?
- Today's sunrise and sunset times for Arlington are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
- How accurate is the weather forecast for Arlington?
- The next few days in Arlington's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Set in a warm-summer humid continental zone, Arlington, New York swings from 27°F in the heart of winter to 73°F at midsummer — a 46°F arc.
Arlington sees close to 47 inches of precipitation annually, falling across some 84 wet days.
Arlington sits at 41.7°N; that 46°F seasonal swing frames planting windows and frost dates across Arlington.
ZIP codes in Arlington
- 12603