Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 27

Waxing Crescent 44%

12:34

23:02

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

Sun - Rise: 06:52, Set: 16:12, Transit: 11:32. Moon - Rise: 12:34, Set: 23:02. Civil Dark: 16:44 - 06:21. Nautical Dark: 17:19 - 05:46. Astro Dark: 17:53 - 05:12

Total Clouds (% Sky Obscured)

90
97
100
91
100
15
20
4
12
1
1
2
2
2
17
36
62
100
100
94
84
52
28
43

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
54
61
42
28
32
27
6
40

Medium Clouds (% Sky Obscured)

90
97
100
91
100
15
20
3
10
0
0
0
0
0
14
30
36
89
98
89
73
48
25
27

High Clouds (% Sky Obscured)

90
97
48
20
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3

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
2
10
19
23
5
3
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)

5
5
5
6
7
7
8
8
8
8
8
8
8
8
9
11
12
14
14
15
14
14
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
59
56
58
60
61
64
65
69
70
70
70
71
71
67
59
51
45
45
47
49
58
62
57

Pressure (mb)

1009
1009
1009
1008
1008
1008
1007
1007
1007
1007
1006
1006
1006
1006
1006
1006
1006
1006
1005
1005
1006
1007
1007
1008

Ozone (du)

304
307
311
317
319
318
318
320
317
316
321
327
334
337
346
373
380
384
376
367
362
358
354
349

Friday 28

First Quarter 57%

12:55

00:12

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

Sun - Rise: 06:54, Set: 16:12, Transit: 11:33. Moon - Rise: 12:55, Set: 00:12. Civil Dark: 16:43 - 06:22. Nautical Dark: 17:18 - 05:47. Astro Dark: 17:52 - 05:13

Total Clouds (% Sky Obscured)

48
39
37
44
40
41
28
40
22
4
8
2
3
3
3
1
3
3
3
3
4
1
1
1

Low Clouds (% Sky Obscured)

47
39
37
44
40
41
28
40
22
0
8
1
1
1
1
0
1
1
1
0
1
0
0
0

Medium Clouds (% Sky Obscured)

13
2
0
8
16
6
0
0
2
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

3
0
0
0
0
0
0
2
2
1
0
0
0
0
0
0
0
0
0
0
1
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 (%)

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 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)

12
12
11
11
10
10
10
10
10
10
10
10
10
11
11
11
12
12
12
11
10
8
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-7
-8
-8
-8
-8
-8
-8
-8
-8
-8
-9
-9
-9
-9
-10
-9
-10
-10
-11
-10
-10
-10
-9
-9

Relative Humidity (%)

55
54
54
55
55
56
56
57
56
56
56
56
56
56
53
48
42
39
36
35
35
37
43
50

Pressure (mb)

1009
1011
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1024
1025
1026
1026
1026
1027
1027
1028
1029
1030

Ozone (du)

348
346
346
349
352
348
340
339
339
336
336
335
335
337
333
332
331
329
329
329
330
328
327
324

Saturday 29

Waxing Gibbous 68%

13:17

01:24

18 OK
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: 06:55, Set: 16:12, Transit: 11:33. Moon - Rise: 13:17, Set: 01:24. Civil Dark: 16:43 - 06:23. Nautical Dark: 17:18 - 05:48. Astro Dark: 17:52 - 05:14

Total Clouds (% Sky Obscured)

24
64
88
80
82
100
100
100
97
97
97
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
11
18
21
26
27
2
2
41
79
78
69
73
71
68
77
83
90
93
96

Medium Clouds (% Sky Obscured)

0
25
67
80
82
99
86
95
97
97
97
100
100
100
100
99
100
99
100
100
100
100
100
80

High Clouds (% Sky Obscured)

24
64
10
24
10
100
100
100
24
40
59
100
91
100
27
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
9
9
9
9
9
2
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
Light Rain
None
None
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
3
1
0
0
6
23
21
6
8
6
26
69
60
53
81
91

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0
0
0.4
0.5

Wind Speed/Direction (mph)

5
4
4
3
2
1
1
2
2
2
3
3
4
4
4
6
8
9
9
11
11
11
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

54
55
56
55
54
51
52
52
51
50
50
50
51
50
50
60
63
61
63
68
81
82
82
90

Pressure (mb)

1031
1032
1032
1032
1032
1032
1032
1031
1032
1032
1031
1031
1030
1030
1029
1028
1027
1025
1023
1021
1020
1018
1017
1016

Ozone (du)

322
321
319
318
317
314
312
310
309
311
311
312
314
314
316
318
318
316
315
315
318
321
323
323

Sunday 30

Waxing Gibbous 79%

13:41

02:40

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

Sun - Rise: 06:56, Set: 16:11, Transit: 11:34. Moon - Rise: 13:41, Set: 02:40. Civil Dark: 16:43 - 06:24. Nautical Dark: 17:18 - 05:49. Astro Dark: 17:52 - 05:15

Total Clouds (% Sky Obscured)

100
100
100
100
86
44
39
22
11
3
4
5
24
51
76
92
78
67
43
44
44
35
34
31

Low Clouds (% Sky Obscured)

100
85
73
59
30
27
38
21
10
1
1
1
2
2
17
15
14
26
37
36
37
35
24
12

Medium Clouds (% Sky Obscured)

53
90
80
3
2
0
0
0
0
0
0
0
0
0
0
0
4
4
4
14
5
1
7
14

High Clouds (% Sky Obscured)

100
100
100
100
67
33
0
0
0
0
0
0
3
31
57
85
57
28
0
0
0
1
0
0

ISS Passover

Visibility (miles)

4
6
9
9
9
9
9
9
9
9
9
9
9
9
9
7
6
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

Light Rain
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
None
None

Precipitation Probability (%)

95
93
72
67
52
35
1
0
0
0
0
0
0
0
2
12
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

1.5
0.5
0.3
0.3
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
8
7
11
12
11
11
11
10
10
10
9
8
8
8
10
11
12
13
13
11
10
9
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
96
96
84
79
80
78
76
73
71
73
75
77
78
75
71
63
54
47
46
47
49
51
55

Pressure (mb)

1015
1014
1014
1014
1014
1014
1015
1015
1016
1016
1017
1018
1018
1019
1020
1021
1022
1022
1022
1022
1022
1023
1024
1025

Ozone (du)

326
329
330
334
334
333
343
346
349
349
350
355
359
358
360
360
359
360
360
362
366
369
368
365

Monday 1

Waxing Gibbous 88%

14:09

04:00

18 OK
19 OK
20 OK
21 OK
22 OK
23 OK
00 OK
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: 06:57, Set: 16:11, Transit: 11:34. Moon - Rise: 14:09, Set: 04:00. Civil Dark: 16:43 - 06:25. Nautical Dark: 17:18 - 05:50. Astro Dark: 17:52 - 05:16

Total Clouds (% Sky Obscured)

28
26
26
26
28
37
42
54
69
85
86
85
86
91
96
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
24
44
63
77
88
100
100
100

Medium Clouds (% Sky Obscured)

21
19
17
17
27
33
39
54
66
80
81
81
82
86
89
94
96
98
100
100
100
100
100
100

High Clouds (% Sky Obscured)

0
0
5
3
12
15
15
21
31
42
35
21
20
57
78
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
4
9
9
9
2
3
2
2
2
2
1
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
None
None
None
None
None
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
0
13
0
3
15
17
28
30
31
67
81
92
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.5
1
1.7
2.4
2.6
2.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-5
-6
-6
-7
-7
-7
-7
-8
-8
-8
-8
-8
-8
-8
-8
-7
-6
-7
-6
-6
-4
-5
-6
-6

Dew Point (°C)

-9
-9
-9
-10
-10
-11
-12
-13
-14
-14
-15
-15
-14
-13
-11
-9
-6
-5
-4
-2
-2
-2
-2
-2

Relative Humidity (%)

57
57
60
60
60
58
52
49
44
44
42
43
44
47
55
63
72
78
84
91
92
96
98
98

Pressure (mb)

1026
1027
1027
1028
1028
1028
1029
1029
1028
1028
1028
1028
1028
1028
1028
1028
1027
1026
1024
1022
1021
1019
1017
1016

Ozone (du)

366
368
365
360
358
359
359
359
357
354
350
347
345
346
345
345
344
341
338
336
333
331
328
328

Tuesday 2

Waxing Gibbous 95%

14:46

05:23

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: 06:58, Set: 16:11, Transit: 11:34. Moon - Rise: 14:46, Set: 05:23. Civil Dark: 16:43 - 06:26. Nautical Dark: 17:18 - 05:51. Astro Dark: 17:52 - 05:17

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
99
98
88
78
71
75
79
84
90
90
83
80
82
84
77
83

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
99
98
88
78
71
75
79
81
78
73
68
57
44
31
21
10

Medium Clouds (% Sky Obscured)

100
100
100
100
99
98
98
98
97
96
66
41
25
49
48
52
63
59
33
21
21
27
21
15

High Clouds (% Sky Obscured)

100
100
100
100
98
90
85
60
46
36
9
1
0
0
0
0
0
0
3
15
39
70
66
49

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
95
95
95
95
95
95
95
90
43
45
43
33
40
36
31
26
22
13
9
9
3
10
7

Precipitation Amount (mm)

2.7
2.9
3.1
3.2
2.7
2.2
1.7
1.1
0.5
0
0
0.1
0
0.1
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
10
10
10
11
12
12
12
11
9
8
7
6
6
5
5
4
4
5
6
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-5
-5
-5
-5
-5
-5
-6
-6
-9
-9
-9
-8
-9
-7
-11
-10
-10
-9
-8
-7
-2
-2
-3
-3

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
96
94
92
91
91
90
92
92
92
92
90
87
86
87
89
92
94
96
98
96

Pressure (mb)

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

Ozone (du)

327
327
329
331
333
335
337
338
340
341
343
342
342
342
343
343
344
344
344
344
343
343
342
340

Wednesday 3

Waxing Gibbous 99%

15:33

06:48

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

Sun - Rise: 06:59, Set: 16:11, Transit: 11:35. Moon - Rise: 15:33, Set: 06:48. Civil Dark: 16:42 - 06:27. Nautical Dark: 17:18 - 05:52. Astro Dark: 17:52 - 05:18

Total Clouds (% Sky Obscured)

79
74
63
52
65
75
82
88
89
90
95
90
90
93
96
98
99
99
99

Low Clouds (% Sky Obscured)

0
0
0
3
7
10
10
12
14
15
12
7
2
10
26
46
61
78
92

Medium Clouds (% Sky Obscured)

9
6
3
0
1
1
2
33
62
90
88
84
85
93
96
98
99
99
99

High Clouds (% Sky Obscured)

29
19
10
1
19
16
4
0
0
0
5
20
35
55
45
45
40
5
0

ISS Passover

Visibility (miles)

8
9
9
9
9
8
7
7
8
8
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 (%)

5
3
0
0
0
0
0
0
0
0
0
0
0
3
5
6
15
18
20

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
94
96
94
94
94
96
94
94
94
94
94
92
92
92
91
91
92
93

Pressure (mb)

1014
1016
1016
1017
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1018
1018
1018
1016
1015

Ozone (du)

338
337
335
333
332
330
329
327
327
327
327
328
329
331
332
334
335
336
336

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

Generated: 27/11/25 18:46:08. Forecast: 27/11/25 to 03/12/25. Timezone: UTC-5.00