Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 26

Waxing Crescent 41%

11:10

23:23

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:19, Set: 16:34, Transit: 11:56. Moon - Rise: 11:10, Set: 23:23. Civil Dark: 17:05 - 06:48. Nautical Dark: 17:40 - 06:13. Astro Dark: 18:13 - 05:40

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
99
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

26
22
31
72
82
84
73
100
100
100
100
100
100
97
96
98
100
100
100
100
100
100
99
100

Medium Clouds (% Sky Obscured)

98
97
95
100
100
100
100
100
100
100
100
94
85
92
66
60
55
52
35
38
32
29
29
30

High Clouds (% Sky Obscured)

98
79
100
100
100
100
100
100
100
100
100
25
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
7
9
7
4
3
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
5
6
4
6
4
2
1

Precipitation Type

None
None
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None

Precipitation Probability (%)

1
7
13
26
39
61
95
95
95
95
95
95
95
95
95
95
90
83
65
53
49
40
25
27

Precipitation Amount (mm)

0
0
0
0
0.1
0.2
0.5
1.9
4
2.6
2.8
2.5
1.7
1.5
1.2
0.8
0.6
0.5
0.3
0.2
0.1
0.1
0
0

Wind Speed/Direction (mph)

9
8
7
6
3
5
6
9
9
8
8
7
6
8
8
9
10
11
11
11
11
11
11
10

Chance of Frost

Temperature (°C)

-5
-4
-4
-3
-2
-2
-2
-3
-3
-3
-3
-2
-2
-1
-1
-1
-1
-2
-2
-3
-3
-3
-3
-3

Feels Like (°C)

-10
-9
-8
-7
-6
-6
-7
-7
-8
-8
-7
-7
-6
-5
-5
-5
-5
-7
-8
-9
-9
-9
-9
-9

Dew Point (°C)

-22
-22
-23
-23
-21
-19
-14
-5
-4
-3
-3
-2
-2
-1
-1
-1
-1
-2
-3
-3
-4
-4
-4
-4

Relative Humidity (%)

24
22
21
19
21
25
39
82
94
96
98
98
98
100
98
98
98
98
98
96
94
96
94
92

Pressure (mb)

1023
1022
1021
1021
1021
1019
1019
1018
1016
1016
1016
1015
1014
1013
1013
1013
1013
1013
1014
1015
1016
1018
1019
1020

Ozone (du)

296
295
296
298
298
300
298
298
303
310
316
323
326
328
327
327
327
324
326
326
328
327
328
326

Saturday 27

First Quarter 52%

11:32

00:33

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 OK
20 OK
21 Bad
22 OK
23 Bad
00 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:19, Set: 16:35, Transit: 11:57. Moon - Rise: 11:32, Set: 00:33. Civil Dark: 17:06 - 06:48. Nautical Dark: 17:40 - 06:14. Astro Dark: 18:14 - 05:40

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
96
59
33
19
41
22
40
33
67
70
60
50
83
99
51
55
93
98

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
96
58
31
19
2
6
13
18
15
7
4
12
11
4
2
1
1
1

Medium Clouds (% Sky Obscured)

24
28
22
15
7
0
0
0
0
0
0
0
0
0
0
0
1
0
1
0
0
2
14
67

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
3
3
41
6
21
7
67
67
56
36
74
98
51
43
92
95

ISS Passover

Visibility (miles)

1
1
7
9
9
9
9
9
9
9
9
9
6
7
6
8
8
6
6
8
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

27
17
9
8
3
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
9
8
8
7
6
5
5
4
4
4
3
3
3
3
3
3
3
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

-3
-2
-2
-2
-2
-1
-2
-2
-3
-3
-4
-4
-4
-4
-4
-4
-4
-4
-5
-5
-5
-5
-4
-3

Feels Like (°C)

-8
-7
-6
-6
-5
-5
-5
-5
-5
-5
-5
-7
-6
-7
-6
-8
-8
-7
-7
-8
-9
-9
-8
-6

Dew Point (°C)

-4
-4
-4
-4
-4
-4
-4
-3
-4
-4
-5
-5
-5
-5
-5
-5
-5
-5
-5
-6
-6
-6
-6
-5

Relative Humidity (%)

89
89
87
84
83
81
84
87
91
92
92
92
94
92
94
92
94
94
94
92
92
92
87
87

Pressure (mb)

1020
1020
1020
1021
1021
1022
1022
1023
1023
1023
1024
1024
1024
1023
1023
1024
1023
1023
1023
1023
1023
1024
1024
1023

Ozone (du)

325
326
322
319
311
308
310
313
315
313
314
315
313
311
310
309
307
305
304
303
303
305
307
305

Sunday 28

Waxing Gibbous 63%

11:55

01:46

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:19, Set: 16:36, Transit: 11:57. Moon - Rise: 11:55, Set: 01:46. Civil Dark: 17:07 - 06:48. Nautical Dark: 17:41 - 06:14. Astro Dark: 18:14 - 05:41

Total Clouds (% Sky Obscured)

98
100
100
100
93
100
100
84
100
100
100
100
100
100
100
100
100
100
100
99
99
100
100
100

Low Clouds (% Sky Obscured)

2
2
2
14
9
3
1
3
5
38
84
100
93
100
100
100
98
94
83
89
93
96
100
98

Medium Clouds (% Sky Obscured)

41
64
92
100
93
93
94
84
88
100
100
99
100
100
100
91
96
97
57
99
99
10
22
32

High Clouds (% Sky Obscured)

96
100
100
100
41
100
99
47
100
100
100
100
100
100
100
100
100
100
100
76
80
90
100
100

ISS Passover

Visibility (miles)

9
9
9
8
6
8
9
9
9
9
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
7
75
95
95
95
95
95
95
93
22
10
6
20
29
36
70

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.5
1.2
2.1
4
1.7
1.5
0.6
1
0
0
0
0
0
0
0.2

Wind Speed/Direction (mph)

3
4
4
4
4
4
5
5
6
5
6
6
6
6
5
6
6
7
6
5
6
5
6
6

Chance of Frost

Temperature (°C)

-2
-1
0
1
1
1
1
1
1
1
1
1
2
2
3
4
4
4
4
3
4
4
5
6

Feels Like (°C)

-5
-4
-3
-3
-3
-3
-3
-3
-3
-2
-2
-2
-2
-2
-1
1
1
1
1
1
1
2
3
3

Dew Point (°C)

-4
-2
-1
0
1
0
-0
0
0
1
1
1
2
2
3
4
4
4
4
3
4
4
5
6

Relative Humidity (%)

86
89
94
98
98
94
94
96
96
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Pressure (mb)

1023
1021
1020
1019
1019
1019
1018
1017
1016
1016
1014
1013
1011
1009
1007
1006
1004
1002
1001
1000
999
998
997
996

Ozone (du)

307
307
308
306
307
308
307
307
307
306
304
303
301
297
295
294
293
290
291
289
288
287
286
284

Monday 29

Waxing Gibbous 74%

12:22

03:03

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 OK
21 Bad
22 Bad
23 OK
00 OK
01 OK
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:19, Set: 16:37, Transit: 11:58. Moon - Rise: 12:22, Set: 03:03. Civil Dark: 17:07 - 06:49. Nautical Dark: 17:42 - 06:14. Astro Dark: 18:15 - 05:41

Total Clouds (% Sky Obscured)

100
100
82
63
44
47
54
62
47
38
51
53
40
37
40
81
87
86
78
74
64
56
55
58

Low Clouds (% Sky Obscured)

96
94
74
54
35
40
48
52
43
38
38
46
40
37
40
80
87
86
78
74
64
53
52
56

Medium Clouds (% Sky Obscured)

88
80
70
60
44
47
36
12
8
4
0
1
2
3
2
1
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
73
46
19
14
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

83
95
85
65
50
46
13
1
2
2
1
9
0
0
0
0
3
1
0
0
0
2
3
4

Precipitation Amount (mm)

0.3
0.4
0.3
0.2
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
7
7
8
11
14
16
18
19
18
18
18
18
18
17
17
17
17
16
16
16
17
17
17

Chance of Frost

Temperature (°C)

6
7
8
8
9
10
9
7
5
4
3
1
1
-0
-1
-1
-2
-2
-2
-2
-2
-2
-1
-1

Feels Like (°C)

4
4
5
6
6
7
4
-0
-3
-3
-3
-6
-7
-7
-8
-8
-9
-10
-9
-9
-10
-9
-8
-8

Dew Point (°C)

6
7
8
8
9
10
8
4
-1
-2
-2
-3
-4
-6
-6
-6
-6
-6
-6
-6
-8
-8
-8
-7

Relative Humidity (%)

100
100
100
100
100
100
98
84
65
69
74
71
71
67
67
70
70
70
72
71
63
62
62
63

Pressure (mb)

994
992
991
991
990
990
990
992
993
994
994
995
995
996
996
997
997
997
998
999
999
1000
1001
1002

Ozone (du)

285
287
291
294
296
305
310
312
317
321
326
336
344
347
352
352
349
351
354
357
363
361
366
374

Tuesday 30

Waxing Gibbous 84%

12:55

04:23

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 OK
18 OK
19 Bad
20 Bad
21 Bad
22 Bad
23 OK
00 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:20, Set: 16:37, Transit: 11:58. Moon - Rise: 12:55, Set: 04:23. Civil Dark: 17:08 - 06:49. Nautical Dark: 17:43 - 06:14. Astro Dark: 18:16 - 05:41

Total Clouds (% Sky Obscured)

55
52
56
62
69
53
36
19
45
68
98
73
43
20
51
54
58
54
51
50
63
65
65
67

Low Clouds (% Sky Obscured)

50
43
51
56
64
44
25
5
7
8
10
7
3
0
0
0
0
0
0
0
0
0
0
3

Medium Clouds (% Sky Obscured)

0
0
0
0
1
7
2
2
19
37
56
37
19
20
51
48
46
36
21
2
2
0
0
2

High Clouds (% Sky Obscured)

0
0
0
0
25
28
9
2
24
50
76
53
29
15
34
24
5
3
2
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

10
2
1
2
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

17
17
17
17
16
16
15
15
15
14
14
14
13
13
12
11
11
11
11
11
12
12
12
13

Chance of Frost

Temperature (°C)

-1
0
0
0
0
0
-1
-1
-1
-1
-2
-2
-2
-2
-2
-2
-2
-3
-3
-3
-3
-2
-2
-1

Feels Like (°C)

-8
-7
-8
-8
-8
-8
-8
-9
-8
-9
-9
-9
-9
-9
-9
-9
-9
-9
-9
-9
-9
-8
-8
-8

Dew Point (°C)

-7
-6
-6
-6
-7
-7
-7
-8
-7
-8
-8
-8
-8
-8
-8
-8
-8
-7
-7
-7
-7
-7
-7
-6

Relative Humidity (%)

63
62
61
61
60
61
62
60
62
60
61
62
62
61
61
64
65
69
71
69
71
69
68
67

Pressure (mb)

1002
1002
1001
1002
1003
1003
1004
1005
1006
1006
1007
1007
1007
1007
1007
1009
1009
1009
1010
1010
1010
1011
1012
1012

Ozone (du)

375
379
387
401
413
426
435
437
440
435
432
439
420
415
402
396
389
382
374
365
357
349
342
334

Wednesday 31

Waxing Gibbous 92%

13:37

05:42

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:20, Set: 16:38, Transit: 11:59. Moon - Rise: 13:37, Set: 05:42. Civil Dark: 17:09 - 06:49. Nautical Dark: 17:43 - 06:15. Astro Dark: 18:17 - 05:41

Total Clouds (% Sky Obscured)

68
69
75
81
92
98
96
94
92
90
88
82
77
75
84
88
92
93
93
92
93
93
95
97

Low Clouds (% Sky Obscured)

7
10
20
31
41
38
36
34
24
15
5
18
31
44
56
67
79
70
35
25
36
46
57
71

Medium Clouds (% Sky Obscured)

8
21
37
51
67
73
78
82
86
85
80
65
46
65
77
88
92
93
92
88
82
77
71
81

High Clouds (% Sky Obscured)

0
0
33
67
92
67
33
0
0
0
0
8
38
19
14
15
15
14
13
13
26
36
47
59

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

4
2
2
1
0
0
0
0
2
2
1
5
6
5
7
8
7
7
5
2
17
26
33
42

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
13
13
13
12
11
11
10
9
9
9
8
8
9
9
8
8
8
9
10
11
10
10
10

Chance of Frost

Temperature (°C)

-0
1
1
1
2
2
1
1
1
1
1
1
0
0
0
-0
-0
-0
-0
-1
-1
-1
-1
-0

Feels Like (°C)

-7
-6
-6
-5
-4
-4
-4
-5
-4
-4
-4
-4
-4
-4
-4
-5
-6
-5
-5
-6
-6
-5
-5
-5

Dew Point (°C)

-6
-6
-5
-5
-5
-4
-5
-5
-5
-5
-5
-5
-5
-5
-4
-5
-6
-6
-6
-6
-7
-6
-6
-5

Relative Humidity (%)

66
64
63
64
64
65
65
65
66
66
67
69
70
71
73
70
67
66
65
65
63
66
68
70

Pressure (mb)

1012
1011
1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1010
1010
1010
1009
1009
1009
1009
1009
1009
1009
1009
1010

Ozone (du)

332
329
327
326
326
325
325
324
323
322
320
318
317
316
316
315
314
313
314
316
317
322
328
333

Thursday 1

Waxing Gibbous 98%

14:31

06:53

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
19 OK
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good

Sun - Rise: 07:20, Set: 16:39, Transit: 11:59. Moon - Rise: 14:31, Set: 06:53. Civil Dark: 17:10 - 06:49. Nautical Dark: 17:44 - 06:15. Astro Dark: 18:17 - 05:41

Total Clouds (% Sky Obscured)

98
100
100
95
90
81
50
22
3
2
0
0
1
0
1
2
2
2
2
1

Low Clouds (% Sky Obscured)

86
100
97
90
46
12
4
3
2
1
0
0
0
0
0
1
1
0
0
0

Medium Clouds (% Sky Obscured)

86
95
87
80
73
46
17
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

59
54
53
48
21
5
2
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

46
47
38
28
4
14
18
21
16
9
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.2
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
11
11
11
12
12
11
12
12
12
11
11
10
10
11
10
10
10
10
10

Chance of Frost

Temperature (°C)

0
1
1
1
1
2
0
-2
-4
-4
-5
-6
-6
-6
-6
-6
-6
-6
-6
-6

Feels Like (°C)

-5
-5
-4
-4
-4
-4
-4
-3
-3
-10
-11
-11
-11
-11
-11
-10
-10
-10
-10
-11

Dew Point (°C)

-4
-2
-1
-2
-3
-4
-6
-9
-11
-12
-12
-13
-13
-14
-14
-13
-13
-13
-13
-13

Relative Humidity (%)

75
83
89
81
74
68
63
61
57
56
56
55
54
53
52
54
56
58
58
58

Pressure (mb)

1009
1008
1007
1007
1007
1007
1009
1010
1011
1012
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

333
333
333
329
325
321
335
349
364
390
416
443
435
427
419
405
392
379
374
370

Forecast for Morningside Heights, New York County, United States of America (40.81,-73.96)

Generated: 26/12/25 11:48:07. Forecast: 26/12/25 to 01/01/26. Timezone: UTC-5.00