Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 4

Full Moon 100%

16:34

08:06

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

Sun - Rise: 07:00, Set: 16:11, Transit: 11:35. Moon - Rise: 16:34, Set: 08:06. Civil Dark: 16:42 - 06:28. Nautical Dark: 17:18 - 05:53. Astro Dark: 17:52 - 05:19

Total Clouds (% Sky Obscured)

74
79
37
0
0
1
12
4
1
0
0
0
0
0
3
3
18
70
82
79
73
93
100
95

Low Clouds (% Sky Obscured)

65
36
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
59

Medium Clouds (% Sky Obscured)

0
0
0
0
0
1
12
2
1
0
0
0
0
0
2
1
17
65
75
77
63
91
99
94

High Clouds (% Sky Obscured)

0
0
0
0
0
1
2
2
1
0
0
0
0
0
3
2
0
1
3
21
4
76
97
69

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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2

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)

14
15
15
12
10
10
9
9
8
7
6
4
3
3
4
4
4
6
7
7
6
4
3
3

Chance of Frost

Temperature (°C)

-6
-7
-10
-10
-11
-12
-12
-13
-13
-13
-13
-13
-13
-13
-11
-9
-7
-6
-5
-5
-5
-6
-7
-7

Feels Like (°C)

-10
-13
-15
-15
-15
-16
-16
-17
-17
-17
-16
-16
-15
-15
-13
-12
-10
-10
-9
-8
-8
-8
-10
-10

Dew Point (°C)

-10
-13
-16
-16
-18
-18
-19
-19
-19
-19
-19
-18
-18
-19
-19
-18
-17
-17
-16
-17
-16
-13
-12
-12

Relative Humidity (%)

70
60
61
60
58
58
59
60
61
61
63
65
65
57
52
49
44
42
41
38
41
56
68
70

Pressure (mb)

1020
1021
1022
1023
1024
1025
1025
1026
1026
1026
1027
1027
1028
1028
1028
1027
1026
1025
1024
1023
1022
1021
1021
1021

Ozone (du)

373
374
373
370
371
370
365
364
364
364
365
363
358
353
348
345
345
341
337
331
329
327
328
330

Friday 5

Waning Gibbous 97%

17:47

09:11

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
18 Bad

Sun - Rise: 07:01, Set: 16:11, Transit: 11:36. Moon - Rise: 17:47, Set: 09:11. Civil Dark: 16:42 - 06:29. Nautical Dark: 17:18 - 05:54. Astro Dark: 17:52 - 05:19

Total Clouds (% Sky Obscured)

95
97
98
97
73
60
59
63
69
92
100
100
100
100
100
100
100
100
100
100
100
100
66
78

Low Clouds (% Sky Obscured)

77
79
84
88
73
60
59
63
69
92
97
96
89
98
91
90
76
72
50
56
52
36
20
3

Medium Clouds (% Sky Obscured)

92
81
67
60
19
9
1
0
9
3
15
82
30
99
55
97
46
86
100
100
100
100
66
78

High Clouds (% Sky Obscured)

66
77
75
75
14
15
2
41
20
31
28
100
100
94
87
75
96
85
98
85
15
10
10
10

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
1
4
12
17
19
14
9
7
2
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-12
-12
-12
-12
-11
-10
-10
-9
-8
-8
-8
-8
-8
-7
-6
-6
-4
-3
-2
-2
-1
-1
-1
-1

Relative Humidity (%)

71
70
66
63
67
76
79
84
85
85
87
87
85
82
79
75
75
75
77
78
81
92
96
96

Pressure (mb)

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

Ozone (du)

328
327
324
323
323
323
325
324
321
318
315
312
309
307
307
307
304
303
303
303
300
301
303
308

Saturday 6

Waning Gibbous 92%

19:06

10:02

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

Sun - Rise: 07:02, Set: 16:10, Transit: 11:36. Moon - Rise: 19:06, Set: 10:02. Civil Dark: 16:42 - 06:30. Nautical Dark: 17:18 - 05:54. Astro Dark: 17:52 - 05:20

Total Clouds (% Sky Obscured)

78
49
37
40
40
50
8
7
29
38
15
8
30
42
73
95
97
100
99
97
95
93
90
85

Low Clouds (% Sky Obscured)

3
32
37
38
19
11
3
4
3
21
15
7
6
2
1
6
0
0
1
0
0
1
3
3

Medium Clouds (% Sky Obscured)

78
49
37
40
37
50
4
0
4
7
0
0
2
42
73
73
29
100
99
97
95
93
90
85

High Clouds (% Sky Obscured)

5
0
5
5
10
0
0
0
10
3
0
1
15
3
7
71
84
39
31
18
10
5
10
5

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
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
17

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
92
92
89
87
89
89
91
92
91
91
90
89
85
75
62
57
56
56
59
68
79
84
81

Pressure (mb)

1012
1012
1012
1012
1013
1013
1013
1014
1014
1015
1015
1016
1017
1017
1018
1019
1019
1018
1018
1018
1018
1017
1018
1018

Ozone (du)

308
307
308
308
312
314
315
318
321
325
326
326
328
331
330
326
323
321
319
318
319
320
321
320

Sunday 7

Waning Gibbous 84%

19:06

10:39

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 OK
13 OK
14 Good
15 Good
16 Good
17 Good
18 Good

Sun - Rise: 07:02, Set: 16:10, Transit: 11:36. Moon - Rise: 19:06, Set: 10:39. Civil Dark: 16:42 - 06:31. Nautical Dark: 17:18 - 05:55. Astro Dark: 17:52 - 05:21

Total Clouds (% Sky Obscured)

89
91
94
92
91
89
88
87
87
92
96
100
100
100
100
82
53
30
20
1
1
0
0
0

Low Clouds (% Sky Obscured)

30
52
78
79
82
77
78
76
76
77
75
77
60
39
15
5
5
5
3
0
0
0
0
0

Medium Clouds (% Sky Obscured)

88
85
82
84
85
87
88
87
87
92
96
100
100
100
100
82
53
30
20
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
19
38
54
66
82
89
63
31
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

5
6
9
5
4
9
0
0
0
0
0
0
0
0
0
0
0
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None

Precipitation Probability (%)

22
14
12
16
19
48
70
86
94
95
95
95
95
95
83
61
26
5
1
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0.5
0.6
0.9
0.9
0.8
0.9
0.7
0.5
0.3
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
2
2
3
3
3
4
5
5
6
6
7
7
9
11
10
13
15
15
14
13
11
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-6
-6
-7
-7
-7
-7
-8
-9
-10
-10
-10
-10
-11
-11
-11
-10
-11
-12
-13
-13
-12
-13
-14
-14

Dew Point (°C)

-5
-4
-4
-4
-5
-4
-5
-6
-6
-7
-6
-7
-7
-7
-7
-6
-7
-9
-10
-11
-11
-12
-13
-14

Relative Humidity (%)

91
94
98
98
96
96
94
94
92
92
94
92
92
92
92
92
89
76
70
67
67
67
67
68

Pressure (mb)

1018
1017
1017
1016
1016
1015
1015
1014
1014
1013
1013
1013
1014
1014
1015
1016
1016
1017
1017
1018
1019
1020
1021
1022

Ozone (du)

318
318
320
323
328
331
332
334
336
338
345
344
341
343
345
351
355
357
351
346
339
336
335
336

Monday 8

Waning Gibbous 75%

20:23

11:08

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

Sun - Rise: 07:03, Set: 16:11, Transit: 11:37. Moon - Rise: 20:23, Set: 11:08. Civil Dark: 16:42 - 06:31. Nautical Dark: 17:18 - 05:56. Astro Dark: 17:52 - 05:22

Total Clouds (% Sky Obscured)

0
0
0
1
5
15
10
10
14
15
26
62
48
32
17
30
43
44
63
81
100
95
90
86

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
21
42
65
48
30
11

Medium Clouds (% Sky Obscured)

0
0
0
0
3
15
10
10
13
14
26
51
36
20
7
30
43
44
63
81
99
94
90
86

High Clouds (% Sky Obscured)

0
0
0
1
2
6
2
0
0
1
0
0
0
0
0
19
43
44
63
74
70
58
47
36

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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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)

9
7
7
7
7
7
6
5
5
4
4
3
3
3
4
4
5
6
7
6
6
6
6
7

Chance of Frost

Temperature (°C)

-10
-11
-11
-11
-11
-12
-12
-12
-12
-13
-13
-13
-13
-11
-9
-7
-6
-4
-3
-3
-3
-3
-4
-4

Feels Like (°C)

-15
-15
-15
-16
-15
-16
-17
-17
-17
-17
-16
-16
-17
-16
-16
-15
-13
-13
-12
-6
-6
-7
-6
-7

Dew Point (°C)

-15
-15
-15
-15
-15
-16
-16
-16
-16
-16
-17
-16
-16
-15
-15
-14
-13
-12
-11
-10
-9
-9
-8
-8

Relative Humidity (%)

68
69
69
70
72
72
72
70
72
75
74
78
79
72
62
57
55
54
52
57
63
66
69
73

Pressure (mb)

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

Ozone (du)

339
341
348
354
358
361
356
354
355
364
369
377
400
406
413
419
419
420
420
409
399
388
380
371

Tuesday 9

Waning Gibbous 65%

21:37

11:32

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
18 Bad

Sun - Rise: 07:04, Set: 16:11, Transit: 11:37. Moon - Rise: 21:37, Set: 11:32. Civil Dark: 16:42 - 06:32. Nautical Dark: 17:18 - 05:57. Astro Dark: 17:52 - 05:22

Total Clouds (% Sky Obscured)

90
95
100
99
96
94
91
88
85
83
90
100
100
100
100
93
86
87
93
96
98
99
100
100

Low Clouds (% Sky Obscured)

33
55
76
69
62
54
36
18
0
0
0
0
0
0
0
0
2
3
16
24
36
46
56
67

Medium Clouds (% Sky Obscured)

90
95
100
94
88
86
91
88
85
83
90
100
100
100
100
91
84
87
91
90
87
91
96
100

High Clouds (% Sky Obscured)

57
79
100
95
85
85
70
65
65
50
68
100
100
100
100
80
61
44
61
79
91
97
99
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
3
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
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Moderate Rain

Precipitation Probability (%)

4
5
5
8
8
6
9
10
3
6
5
0
0
0
0
3
6
9
30
43
58
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.9
1.6
2.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-6
-9
-9
-10
-9
-9
-9
-6
-6
-7
-7
-7
-7
-6
-6
-5
-5
-5
-4
-1
-0
0
-1
-1

Dew Point (°C)

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

Relative Humidity (%)

75
73
71
69
72
75
78
80
81
81
81
81
80
78
78
77
80
82
86
89
94
98
100
98

Pressure (mb)

1017
1016
1015
1015
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1011
1010
1009
1008
1007
1006
1004

Ozone (du)

363
360
357
354
352
351
350
345
341
337
335
334
333
333
333
333
331
329
327
324
321
318
314
310

Wednesday 10

Waning Gibbous 55%

22:46

11:52

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

Sun - Rise: 07:05, Set: 16:11, Transit: 11:38. Moon - Rise: 22:46, Set: 11:52. Civil Dark: 16:43 - 06:33. Nautical Dark: 17:18 - 05:58. Astro Dark: 17:52 - 05:23

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
99
98
97
97
98
99

Low Clouds (% Sky Obscured)

65
63
64
66
67
68
64
54
35
54
72
78
73
77
79
79
80
80

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
99
99
98
98
97
97
98
98

High Clouds (% Sky Obscured)

100
100
100
100
100
100
73
47
20
18
25
35
55
45
45
40
5
0

ISS Passover

Visibility (miles)

0
0
0
0
3
6
9
9
9
9
6
4
1
4
6
9
9
9

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

95
80
56
55
41
25
33
39
44
48
52
58
80
86
75
57
48
35

Precipitation Amount (mm)

0.4
0.3
0
0
0
0
0
0
0
0
0.2
0.2
0.5
0.5
0.4
0.2
0
0

Wind Speed/Direction (mph)

7
7
7
7
8
8
9
8
7
7
5
4
4
5
7
9
9
9

Chance of Frost

Temperature (°C)

5
6
6
8
8
8
7
7
6
5
4
4
3
4
5
5
5
5

Feels Like (°C)

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

Dew Point (°C)

4
5
6
8
7
7
7
6
5
4
4
3
3
3
4
4
4
3

Relative Humidity (%)

98
98
100
100
96
96
94
94
94
93
96
98
98
96
94
93
91
88

Pressure (mb)

1003
1002
1001
1000
999
998
998
997
996
996
995
995
994
995
995
995
995
994

Ozone (du)

306
305
303
301
300
298
297
298
298
299
303
306
309
310
311
311
315
318

Forecast for Andover, Essex, United States of America (42.66,-71.14)

Generated: 04/12/25 19:08:39. Forecast: 04/12/25 to 10/12/25. Timezone: UTC-5.00