Loudon, NH Weather Forecast

Local 7-day forecast

40°
F

Patchy Fog

Track current conditions, temperature changes, wind, and the full daily outlook for Loudon, NH in one place.

Tuesday, September 15, 2026
Wind: 0 mph
Overnight

Patchy fog after 5am. Mostly clear, with a low around 40. Wind around 0 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Loudon, NH is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Sep 15, 2026 5:12 AM EDT.

The active forecast window currently covers Sep 15 to Sep 21, 2026 for Loudon, NH.

Page Snapshot

Page focus
city weather
Forecast window
Sep 15 to Sep 21, 2026
Latest sync
Sep 15, 2026 5:12 AM EDT
Forecast office
GYX
Source
NOAA / NWS
Next High
69°F
Tuesday
Next Low
40°F
Overnight
Rain Outlook
6
Periods mentioning precipitation
Windiest
5 to 10 mph
Friday

Daily Outlook

Today
Sep 15
Patchy Fog then Sunny
69 °F
/ 40°F
Wind 0 to 5 mph
Wed
Sep 16
Partly Sunny
78 °F
/ 57°F
Wind 0 to 5 mph
Thu
Sep 17
Partly Sunny then Slight Chance Rain Showers
75 °F
/ 58°F
Wind 0 to 5 mph
Fri
Sep 18
Mostly Sunny
74 °F
/ 44°F
Wind 5 to 10 mph
Sat
Sep 19
Mostly Sunny
67 °F
/ 49°F
Wind 0 to 5 mph
Sun
Sep 20
Rain Showers Likely
67 °F
/ 50°F
Wind 5 to 10 mph
Mon
Sep 21
Chance Rain Showers
66 °F
Wind 5 mph

This Week in Loudon

Wednesday looks like the warmest upcoming period in Loudon at 78 degrees F.

Overnight is the coolest period ahead with temperatures near 40 degrees F.

The strongest winds are forecast for Friday at about 5 to 10 mph NW.

Precipitation is mentioned in 6 upcoming forecast periods.

Forecast Details

Last updated
Sep 15, 2026 5:12 AM EDT
Coverage
7 days
Time zone
America/New_York
Forecast office
GYX
Radar station
KGYX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Tuesday
Sep 15
69°F
Patchy Fog then Sunny
0 to 5 mph E

Patchy fog before 8am. Sunny, with a high near 69. East wind 0 to 5 mph.

Tuesday Night
Sep 15
47°F
Partly Cloudy
0 to 5 mph S

Partly cloudy, with a low around 47. South wind 0 to 5 mph.

Wednesday
Sep 16
78°F
Partly Sunny
0 to 5 mph SW

Partly sunny, with a high near 78. Southwest wind 0 to 5 mph.

Wednesday Night
Sep 16
57°F
Mostly Cloudy
0 mph

Mostly cloudy, with a low around 57. Northwest wind around 0 mph.

Thursday
Sep 17
75°F
Partly Sunny then Slight Chance Rain Showers
0 to 5 mph E

A slight chance of rain showers after 3pm. Partly sunny, with a high near 75.

Thursday Night
Sep 17
58°F
Chance Showers And Thunderstorms
0 to 5 mph SW

A chance of rain showers before 8pm, then a chance of showers and thunderstorms between 8pm and 4am. Mostly cloudy, with a low around 58. Chance of precipitation is 50%.

Friday
Sep 18
74°F
Mostly Sunny
5 to 10 mph NW

Mostly sunny, with a high near 74.

Friday Night
Sep 18
44°F
Mostly Clear
0 to 10 mph NW

Mostly clear, with a low around 44.

Saturday
Sep 19
67°F
Mostly Sunny
0 to 5 mph S

Mostly sunny, with a high near 67.

Saturday Night
Sep 19
49°F
Chance Rain Showers
0 to 5 mph SE

A chance of rain showers after 10pm. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.

Sunday
Sep 20
67°F
Rain Showers Likely
5 to 10 mph SW

Rain showers likely. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.

Sunday Night
Sep 20
50°F
Rain Showers Likely
5 to 10 mph NW

Rain showers likely. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.

Monday
Sep 21
66°F
Chance Rain Showers
5 mph N

A chance of rain showers. Partly sunny, with a high near 66.

Detailed Forecast

Period Conditions Temp Wind
Overnight
Sep 15
Patchy Fog
40°F
0 mph
Tuesday
Sep 15
Patchy Fog then Sunny
69°F
0 to 5 mph
E
Tuesday Night
Sep 15
Partly Cloudy
47°F
0 to 5 mph
S
Wednesday
Sep 16
Partly Sunny
78°F
0 to 5 mph
SW
Wednesday Night
Sep 16
Mostly Cloudy
57°F
0 mph
Thursday
Sep 17
Partly Sunny then Slight Chance Rain Showers
75°F
0 to 5 mph
E
Thursday Night
Sep 17
Chance Showers And Thunderstorms
58°F
0 to 5 mph
SW
Friday
Sep 18
Mostly Sunny
74°F
5 to 10 mph
NW
Friday Night
Sep 18
Mostly Clear
44°F
0 to 10 mph
NW
Saturday
Sep 19
Mostly Sunny
67°F
0 to 5 mph
S
Saturday Night
Sep 19
Chance Rain Showers
49°F
0 to 5 mph
SE
Sunday
Sep 20
Rain Showers Likely
67°F
5 to 10 mph
SW
Sunday Night
Sep 20
Rain Showers Likely
50°F
5 to 10 mph
NW
Monday
Sep 21
Chance Rain Showers
66°F
5 mph
N
LoudonCrossroadsCrop
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Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.