Latham, New York Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Latham weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast27%—85°70°—
- SundayJul 5Overcast10%—84°66°-1°
- MondayJul 6Rain60%1.6″73°62°-11°
- TuesdayJul 7Showers63%0.83″64°60°-9°
- WednesdayJul 8Light Drizzle19%—77°60°+13°
- ThursdayJul 9Light Drizzle26%0.01″82°63°+5°
- FridayJul 10Light Drizzle59%—79°65°-3°
AQI 54 (Moderate), driven by Ozone. AQI up 9 over the last 6 hours (gradual rise). Ozone at AQI 48 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 48 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 48
- UV peak
- 2.3 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 48
PM × Wind × Precip
PM2.5 at 5.8 µg/m³, PM10 at 6.6 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.88
- 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
- 10:53 PM
- Moonset
- 9:55 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Latham at a glance
- Today vs. normal: 15°F above the seasonal normal for this latitude
- Last frost: May 2 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 12110
16-Day Forecast — Latham
- Sat85°70°27%
- Sun84°68°10%
- Mon73°62°60%
- Tue64°60°63%
- Wed77°60°19%
- Thu82°63°26%
- Fri79°65°59%
- Sat74°67°33%
- Sun72°60°24%
- Mon77°58°29%
- Tue76°61°32%
- Wed83°56°35%
- Thu82°62°69%
- Fri92°63°45%
- Sat92°66°48%
- Sun78°68°47%
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 — Latham
SPC has placed Latham in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
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 | — | — |
| May | lettuce, peas, spinach, radishes | lettuce, peas, radishes |
| June | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | tomatoes, peppers, beans, squash, fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | — | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
The year in Latham tops out in July (~72°F) and dips lowest in January (~23°F), with May wettest at 4.1 inches and February driest at 2.8 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 23° | 3.2″ | 17 |
| February | 25° | 2.8″ | 16 |
| March | 34° | 3.5″ | 19 |
| April | 47° | 4.0″ | 19 |
| May | 57° | 4.1″ | 19 |
| June | 66° | 4.1″ | 18 |
| July | 72° | 3.7″ | 18 |
| August | 71° | 3.9″ | 18 |
| September | 64° | 3.5″ | 16 |
| October | 53° | 3.7″ | 16 |
| November | 38° | 4.1″ | 17 |
| December | 28° | 3.8″ | 18 |
Regional context
By the nearest station's NOAA NCEI 1991-2020 normals, Latham sees 23°F Januarys and 72°F Julys, a 49°F range, plus around 44.3 inches of precipitation across 210 days.
Rainfall in Latham stays even across the calendar: May tops out at 4.1 inches over 18.5 rainy days, and February still logs 2.8 inches across 16.5 — a narrow range for Latham. That even rhythm groups Latham with places like Siena College, NY, Watervliet, NY and Loudonville, NY.
The cool-season window in Latham starts at late-May, when nights stop freezing — think kale, peas, spinach, and parsnips. Hold Latham's tender crops — tomatoes, peppers, basil — until 10-14 days past Latham's last frost. It shuts near early-October, when freezes return to Latham and tender plants need cover. Within Latham, cold-air pooling chills low spots by 5-10°F, shifting Latham's local frost dates.
Similar climates: Siena College, NY, Watervliet, NY, Loudonville, NY, Green Island, NY, Cohoes, NY.
Frequently asked
- When does it freeze in Latham?
- Frost typically leaves Latham by mid-May and returns to Latham near mid-October.
- What is the rainy season in Latham?
- May is the wettest month in Latham, about 4.1 inches on average; the year totals roughly 44 inches.
- What is the warmest month in Latham?
- The warmest stretch in Latham comes in July, around 72°F on average.
- What is the coldest month in Latham?
- On average January is the chilliest month in Latham, about 23°F.
- When can I start a vegetable garden in Latham?
- Time tomatoes in Latham for two weeks after mid-May; peas and greens start at Latham's frost line.
- How many rainy days does Latham get?
- Latham averages about 210 days with measurable rain or snow each year.
- What hardiness zone is Latham?
- Latham sits in the USDA zone set by January lows near 23°F; the USDA ZIP tool gives the band.
- What is the 10-day forecast for Latham?
- Latham'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 Latham?
- See this week's day-by-day rain chances for Latham in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Latham?
- Current conditions for Latham and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Latham forecast updated?
- The Latham forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Latham?
- Today's sunrise and sunset times for Latham 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 Latham?
- The next few days in Latham's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Latham's warm-summer humid continental climate in New York pairs 23°F Januarys with 72°F Julys, 49°F apart across the seasons.
Yearly precipitation in Latham totals around 44 inches, spread over about 210 days of rain or snow.
The 49°F gap between Latham's summer and winter, at 42.7°N, shapes Latham's frost calendar.
ZIP codes in Latham
- 12189
- 12110