Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 24

Waxing Crescent 30%

10:50

21:13

18 OK
19 OK
20 OK
21 OK
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
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 07:17, Set: 16:40, Transit: 11:59. Moon - Rise: 10:50, Set: 21:13. Civil Dark: 17:10 - 06:47. Nautical Dark: 17:44 - 06:13. Astro Dark: 18:16 - 05:40

Total Clouds (% Sky Obscured)

35
31
32
47
62
63
83
90
100
96
96
88
78
86
90
98
97
91
81
91
100
100
77
65

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
2
2
36
55
3
51
60
50
32
61
75
89
71
5
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
9
20
26
26
31
90
87
96
96
88
78
83
90
53
94
46
18
15
68
50
38
60

High Clouds (% Sky Obscured)

2
31
32
47
40
45
50
41
68
46
40
40
6
0
0
16
45
0
46
76
100
100
72
53

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 (%)

0
0
0
0
0
0
0
0
2
0
8
4
0
0
4
20
32
3
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)

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

Chance of Frost

Temperature (°C)

5
4
2
1
0
-0
-0
-0
0
0
1
0
1
1
1
3
4
4
4
6
7
7
6
5

Feels Like (°C)

3
2
0
-2
-3
-3
-3
-3
-2
-3
-2
-3
-3
-4
-4
-2
0
-1
-0
1
2
3
2
1

Dew Point (°C)

-0
-1
-2
-3
-4
-4
-4
-4
-4
-4
-3
-4
-4
-4
-3
-3
-4
-3
-2
-0
-0
-1
-1
-1

Relative Humidity (%)

67
71
74
77
77
77
75
74
73
75
74
75
74
73
74
65
58
60
66
64
59
58
60
66

Pressure (mb)

1026
1026
1026
1026
1027
1027
1026
1025
1025
1024
1023
1022
1021
1020
1019
1018
1018
1016
1014
1013
1013
1013
1013
1014

Ozone (du)

290
293
294
294
295
296
295
297
295
295
298
301
303
305
306
311
319
320
320
318
320
319
320
324

Thursday 25

Waxing Crescent 41%

11:12

22:19

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

Sun - Rise: 07:18, Set: 16:41, Transit: 11:59. Moon - Rise: 11:12, Set: 22:19. Civil Dark: 17:11 - 06:47. Nautical Dark: 17:45 - 06:14. Astro Dark: 18:17 - 05:41

Total Clouds (% Sky Obscured)

92
13
83
78
74
7
26
3
6
7
11
50
80
82
100
73
95
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

2
2
2
0
0
0
0
0
0
0
0
0
0
0
1
0
1
10
1
1
1
73
68
85

Medium Clouds (% Sky Obscured)

12
3
2
0
3
0
0
0
0
0
2
21
26
23
56
73
94
100
92
75
100
100
100
100

High Clouds (% Sky Obscured)

90
6
81
77
74
6
26
2
6
6
6
50
66
75
100
60
85
100
100
100
100
100
57
4

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
1
9
9
8
1
3

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
Very Light Rain
Snow
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
22
15
3
8
55
83
90

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.5

Wind Speed/Direction (mph)

11
11
9
9
9
10
10
9
9
9
9
9
9
8
8
6
5
5
5
4
7
8
9
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-2
-2
-3
-5
-6
-7
-9
-11
-12
-14
-14
-15
-15
-15
-16
-16
-16
-16
-15
-14
-13
-12
-11
-8

Relative Humidity (%)

63
64
65
63
61
58
53
48
46
43
43
42
42
41
40
37
32
29
30
33
35
38
44
63

Pressure (mb)

1016
1017
1018
1019
1020
1021
1021
1021
1022
1022
1023
1023
1023
1024
1024
1024
1024
1023
1021
1021
1020
1020
1019
1019

Ozone (du)

326
326
325
324
321
318
315
315
312
308
303
301
300
301
300
299
298
298
298
297
295
294
297
302

Friday 26

Waxing Crescent 52%

11:35

23:26

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

Sun - Rise: 07:18, Set: 16:41, Transit: 12:00. Moon - Rise: 11:35, Set: 23:26. Civil Dark: 17:12 - 06:48. Nautical Dark: 17:45 - 06:14. Astro Dark: 18:18 - 05:41

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
95
90
85
89
92

Low Clouds (% Sky Obscured)

100
94
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
94
87
82
70
58

Medium Clouds (% Sky Obscured)

100
100
100
100
47
82
90
99
41
30
31
23
17
18
15
4
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

75
100
100
35
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
14
21
45
69

ISS Passover

Visibility (miles)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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

Snow
Snow
Snow
Snow
Ice pellet
Ice pellet
Ice pellet
Ice pellet
Snow
Snow
Snow
Snow
Very Light Rain
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
83
95
88
72
83
67
58
65
60
57
50
54
51
47
36
27
24
6
5
1

Precipitation Amount (mm)

1.5
2.9
2.1
2
0.3
0.5
0.4
0.3
0.3
0.2
0.2
0.3
0.3
0.2
0.2
0.2
0.2
0.2
0.1
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
8
5
7
8
8
7
6
6
6
7
8
8
8
8
7
8
7
7
8
8
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-6
-6
-4
-5
-5
-4
-3
-2
-2
-2
-3
-2
-2
-2
-2
-3
-3
-3
-3
-3
-4
-4
-5

Dew Point (°C)

-5
-3
-2
-2
-1
-1
0
1
1
1
1
1
2
2
1
1
1
1
1
1
0
-0
-1
-2

Relative Humidity (%)

82
89
94
96
96
96
98
98
100
100
100
100
100
100
100
98
100
98
100
100
98
96
92
91

Pressure (mb)

1018
1017
1015
1015
1015
1013
1012
1011
1011
1011
1011
1011
1012
1014
1015
1016
1017
1018
1018
1018
1019
1020
1020
1021

Ozone (du)

302
305
309
313
323
327
327
326
327
326
326
325
327
328
328
327
327
326
325
323
322
321
318
316

Saturday 27

First Quarter 52%

12:00

00:35

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

Sun - Rise: 07:18, Set: 16:42, Transit: 12:00. Moon - Rise: 12:00, Set: 00:35. Civil Dark: 17:12 - 06:48. Nautical Dark: 17:46 - 06:14. Astro Dark: 18:18 - 05:41

Total Clouds (% Sky Obscured)

89
87
82
77
74
70
66
67
69
89
99
97
93
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

43
51
64
77
74
70
59
66
69
85
86
90
91
86
86
86
95
95
95
96
96
96
96
94

Medium Clouds (% Sky Obscured)

0
0
0
0
6
15
22
28
36
35
29
23
15
23
35
57
69
72
83
97
100
100
100
100

High Clouds (% Sky Obscured)

89
72
49
28
49
70
66
53
36
21
19
20
20
36
55
76
74
73
71
81
91
100
100
100

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
7
13
17
62
88
95
87
66

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
0.8
0.6
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-3
-3
-3
-3
-3
-3
-4
-3
-4
-4
-4
-3
-3
-3
-3
-2
-2
-1
0
0
1
1
2
2

Relative Humidity (%)

94
96
98
96
96
98
96
98
96
96
96
96
96
96
92
89
88
86
88
88
89
91
96
98

Pressure (mb)

1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1021
1020
1019
1017
1017
1016
1015
1015

Ozone (du)

316
315
315
313
312
310
311
311
312
312
312
311
311
311
312
312
311
313
315
315
315
316
315
313

Sunday 28

Waxing Gibbous 63%

12:28

01:47

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

Sun - Rise: 07:18, Set: 16:43, Transit: 12:01. Moon - Rise: 12:28, Set: 01:47. Civil Dark: 17:13 - 06:48. Nautical Dark: 17:47 - 06:15. Astro Dark: 18:19 - 05:42

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
99
96
89
89
89
86
86
82
78
71
61

Low Clouds (% Sky Obscured)

93
97
100
100
100
96
100
93
85
78
68
57
47
46
45
45
45
45
45
43
40
38
41
43

Medium Clouds (% Sky Obscured)

100
100
100
99
100
100
99
82
100
70
48
24
25
20
25
15
5
5
25
31
41
24
20
11

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
79
78
79
89
89
89
86
86
82
78
71
47

ISS Passover

Visibility (miles)

8
9
9
5
9
9
9
9
9
9
9
9
9
4
6
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

48
45
50
48
49
60
55
77
85
90
76
95
84
95
80
57
46
36
24
21
15
0
3
5

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.4
0.6
0.7
0.4
0.5
0.5
0.9
0.6
0.3
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
6
6
7
7
8
10
11
13
15
14
14
14
15
16
17
17
18
20
18
17
15
16

Chance of Frost

Temperature (°C)

2
3
3
4
4
5
6
7
7
8
9
9
9
10
10
10
10
9
8
7
6
5
3
2

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
96
98
96
94
93
93
91
93
93
95
95
95
93
95
85
77
69
68
71
71
68

Pressure (mb)

1014
1013
1012
1010
1008
1007
1004
1002
1000
998
997
996
995
995
996
996
996
997
997
997
998
999
1000
1001

Ozone (du)

310
307
305
304
304
300
298
296
295
295
293
292
291
291
293
294
295
298
301
304
307
311
314
317

Monday 29

Waxing Gibbous 74%

13:02

03:03

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

Sun - Rise: 07:19, Set: 16:44, Transit: 12:01. Moon - Rise: 13:02, Set: 03:03. Civil Dark: 17:14 - 06:49. Nautical Dark: 17:48 - 06:15. Astro Dark: 18:20 - 05:42

Total Clouds (% Sky Obscured)

51
63
74
85
73
59
52
59
48
42
49
56
62
62
60
58
50
43
33
23
15
14
13
12

Low Clouds (% Sky Obscured)

46
44
42
41
42
45
45
40
35
25
38
53
62
62
60
49
50
43
32
20
13
9
7
6

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
3
5
4
7
6
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

20
14
10
5
3
1
0
0
0
0
0
0
0
0
0
0
0
0
0
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 (%)

5
5
3
0
0
0
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)

16
16
16
16
16
15
15
15
15
15
14
14
14
14
14
15
15
16
16
16
15
14
14
13

Chance of Frost

Temperature (°C)

1
0
-1
-1
-2
-2
-3
-3
-3
-3
-3
-3
-3
-4
-3
-2
-2
-1
-0
0
0
0
-0
-1

Feels Like (°C)

-2
-2
-6
-6
-7
-7
-8
-8
-9
-10
-9
-9
-9
-10
-10
-10
-9
-9
-9
-9
-6
-6
-5
-6

Dew Point (°C)

-5
-6
-7
-8
-9
-9
-10
-10
-11
-11
-12
-12
-12
-12
-12
-12
-12
-11
-11
-10
-10
-10
-10
-10

Relative Humidity (%)

65
61
61
60
59
58
57
58
56
53
51
51
52
51
48
48
46
45
44
45
45
47
49
51

Pressure (mb)

1002
1003
1004
1004
1005
1005
1005
1006
1006
1007
1008
1008
1009
1010
1011
1012
1013
1013
1013
1012
1013
1014
1014
1015

Ozone (du)

320
323
326
329
332
332
333
333
338
343
347
353
359
365
368
371
375
376
376
377
377
376
376
384

Tuesday 30

Waxing Gibbous 84%

13:45

04:22

18 Good
19 OK
20 OK
21 OK
22 OK
23 OK
00 OK
01 OK
02 OK
03 OK
04 OK
05 OK
06 OK
07 Bad
08 Bad
09 OK
10 OK
11 OK
12 Good

Sun - Rise: 07:19, Set: 16:44, Transit: 12:02. Moon - Rise: 13:45, Set: 04:22. Civil Dark: 17:15 - 06:49. Nautical Dark: 17:48 - 06:15. Astro Dark: 18:20 - 05:42

Total Clouds (% Sky Obscured)

10
17
22
32
32
37
39
33
25
19
35
45
41
51
54
43
33
21
10

Low Clouds (% Sky Obscured)

5
5
5
4
4
3
3
3
3
2
2
2
2
2
3
3
20
21
10

Medium Clouds (% Sky Obscured)

0
2
3
5
12
9
7
5
4
1
12
21
28
42
44
38
25
14
4

High Clouds (% Sky Obscured)

0
5
9
17
16
20
10
6
1
1
0
0
0
4
8
15
15
8
0

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

0
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-10
-10
-9
-9
-9
-9
-10
-10
-10
-10
-10
-10
-10
-10
-10
-10
-9
-9
-9

Relative Humidity (%)

52
53
55
56
57
58
57
58
58
58
60
58
57
56
54
53
52
49
48

Pressure (mb)

1016
1017
1018
1019
1019
1019
1019
1020
1020
1020
1020
1021
1021
1022
1022
1022
1023
1022
1021

Ozone (du)

393
402
405
408
412
409
405
402
393
384
375
370
365
360
353
345
338
333
328

Forecast for Batsto, Burlington, United States of America (39.64,-74.65)

Generated: 24/12/25 18:28:25. Forecast: 24/12/25 to 30/12/25. Timezone: UTC-5.00