Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 24

Waxing Crescent 21%

10:17

20:54

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

Sun - Rise: 07:12, Set: 16:17, Transit: 11:45. Moon - Rise: 10:17, Set: 20:54. Civil Dark: 16:49 - 06:40. Nautical Dark: 17:25 - 06:05. Astro Dark: 17:59 - 05:31

Total Clouds (% Sky Obscured)

97
96
99
94
70
48
66
35
55
54
95
100
96
86
70
56
50
49
29
9
47
78
92
90

Low Clouds (% Sky Obscured)

68
91
50
44
38
37
61
35
46
33
87
100
96
79
54
54
29
28
9
0
0
0
0
0

Medium Clouds (% Sky Obscured)

10
30
21
89
27
0
0
0
0
0
8
6
4
0
0
0
0
0
0
9
47
78
92
86

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
30
30
32

ISS Passover

Visibility (miles)

0
8
9
0
9
8
9
9
9
3
1
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
19
8
1
2
9
26
41
28
16
6
4
1
1
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)

4
5
6
8
12
13
12
14
14
16
13
12
10
8
5
3
2
3
3
2
3
3
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
96
89
96
84
86
83
76
76
86
89
83
81
83
86
89
91
92
92
94
94
91
87
86

Pressure (mb)

1009
1008
1008
1009
1009
1010
1012
1013
1014
1015
1017
1019
1021
1022
1023
1024
1025
1025
1025
1025
1024
1023
1023
1023

Ozone (du)

318
321
328
334
335
335
337
340
340
340
337
330
323
319
322
326
328
327
327
323
321
321
322
317

Thursday 25

Waxing Crescent 30%

10:39

22:03

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 OK
19 OK
20 Bad
21 OK
22 OK
23 Good
00 Good
01 Good
02 Good

Sun - Rise: 07:12, Set: 16:18, Transit: 11:45. Moon - Rise: 10:39, Set: 22:03. Civil Dark: 16:50 - 06:41. Nautical Dark: 17:25 - 06:05. Astro Dark: 17:59 - 05:31

Total Clouds (% Sky Obscured)

100
87
97
100
100
100
100
100
100
100
81
52
78
97
81
39
35
57
33
24
3
4
0
0

Low Clouds (% Sky Obscured)

0
0
10
10
21
52
46
39
20
15
1
52
78
76
72
39
35
53
33
24
3
0
0
0

Medium Clouds (% Sky Obscured)

93
85
97
100
100
100
100
100
100
100
60
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

76
42
50
100
100
100
100
100
37
40
40
45
0
35
29
3
10
2
0
0
0
2
0
0

ISS Passover

Visibility (miles)

9
9
9
2
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
18
6
0
3
3
2
1
0
0
0
6
13
2
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)

6
8
8
8
9
9
11
10
10
9
8
7
11
10
11
13
14
14
14
15
15
14
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-7
-7
-7
-7
-6
-6
-5
-3
-3
-2
-2
-1
-3
-5
-7
-7
-9
-11
-11
-12
-12
-14
-13

Dew Point (°C)

-5
-5
-5
-5
-4
-5
-5
-4
-4
-4
-3
-3
-3
-4
-4
-7
-8
-9
-11
-13
-14
-15
-16
-17

Relative Humidity (%)

87
87
82
84
84
79
75
70
66
68
70
67
67
70
73
63
64
64
62
57
56
53
51
51

Pressure (mb)

1022
1020
1019
1018
1016
1015
1014
1014
1012
1011
1009
1009
1009
1010
1011
1013
1014
1015
1016
1017
1018
1018
1019
1020

Ozone (du)

320
326
331
332
332
346
366
384
394
386
383
382
384
379
375
374
374
370
364
363
361
355
354
356

Friday 26

Waxing Crescent 41%

10:59

23:12

03 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good
10 Bad
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

Sun - Rise: 07:13, Set: 16:19, Transit: 11:46. Moon - Rise: 10:59, Set: 23:12. Civil Dark: 16:50 - 06:41. Nautical Dark: 17:26 - 06:05. Astro Dark: 18:00 - 05:31

Total Clouds (% Sky Obscured)

0
0
0
2
6
17
15
58
88
92
100
100
100
100
94
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
24
32
57
90
97
100
99
94
89
84

Medium Clouds (% Sky Obscured)

0
0
0
0
3
11
8
11
25
13
21
79
26
100
42
100
100
100
100
100
100
100
99
98

High Clouds (% Sky Obscured)

0
0
0
0
0
4
2
9
13
6
100
100
100
100
94
100
100
100
100
100
10
96
98
99

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
2
2
2
6
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

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
18
95
95
89
76
50
51

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.9
0.9
0.6
0.4
0.2
0.2

Wind Speed/Direction (mph)

13
12
11
10
9
9
8
7
6
5
5
5
5
3
3
3
2
3
4
5
5
6
7
7

Chance of Frost

Temperature (°C)

-9
-10
-10
-11
-11
-11
-10
-9
-8
-7
-6
-6
-6
-6
-6
-6
-6
-6
-7
-7
-8
-8
-8
-8

Feels Like (°C)

-14
-14
-15
-15
-15
-14
-13
-12
-12
-12
-11
-10
-10
-10
-10
-10
-10
-10
-11
-11
-12
-12
-12
-13

Dew Point (°C)

-18
-18
-19
-20
-20
-20
-20
-20
-20
-20
-20
-19
-19
-18
-17
-17
-16
-15
-15
-14
-12
-11
-11
-12

Relative Humidity (%)

49
48
48
47
47
45
42
38
36
34
33
34
35
37
41
44
45
47
49
56
70
75
75
75

Pressure (mb)

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

Ozone (du)

353
348
343
339
334
331
327
325
322
319
317
315
315
317
318
319
321
322
324
329
331
332
334
336

Saturday 27

First Quarter 52%

11:20

00:23

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

Sun - Rise: 07:13, Set: 16:19, Transit: 11:46. Moon - Rise: 11:20, Set: 00:23. Civil Dark: 16:51 - 06:41. Nautical Dark: 17:27 - 06:06. Astro Dark: 18:01 - 05:32

Total Clouds (% Sky Obscured)

100
100
99
99
96
92
90
65
49
15
10
4
1
0
0
0
0
4
52
4
4
0
0
0

Low Clouds (% Sky Obscured)

79
80
79
81
82
75
62
42
21
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

98
98
97
95
88
78
85
58
49
15
10
4
1
0
0
0
0
0
0
4
4
0
0
0

High Clouds (% Sky Obscured)

100
88
75
59
32
16
0
0
0
0
0
0
0
0
0
0
0
0
5
0
0
0
0
0

ISS Passover

Visibility (miles)

3
2
3
2
3
5
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

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

Precipitation Probability (%)

50
44
38
25
24
22
12
11
8
3
3
2
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.1
0.1
0.1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-12
-11
-12
-11
-12
-12
-13
-13
-13
-13
-14
-16
-16
-15
-14
-14
-14
-13
-14
-14
-14
-13
-14
-13

Relative Humidity (%)

75
78
75
77
75
74
66
61
58
54
46
41
41
47
54
58
60
63
64
64
67
69
69
72

Pressure (mb)

1021
1020
1021
1021
1022
1022
1023
1024
1024
1023
1023
1023
1024
1024
1024
1024
1024
1024
1025
1025
1024
1024
1024
1024

Ozone (du)

338
344
348
357
366
365
362
364
374
370
359
354
352
349
348
349
353
356
357
357
356
356
354
351

Sunday 28

Waxing Gibbous 63%

11:42

01:37

03 Good
04 OK
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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:13, Set: 16:20, Transit: 11:47. Moon - Rise: 11:42, Set: 01:37. Civil Dark: 16:52 - 06:41. Nautical Dark: 17:27 - 06:06. Astro Dark: 18:01 - 05:32

Total Clouds (% Sky Obscured)

1
25
50
75
81
79
80
81
77
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

1
15
31
46
64
79
80
81
77
91
93
94
95
95
95
90
90
90
90
89
82
78
83
87

Medium Clouds (% Sky Obscured)

0
0
0
0
4
8
12
6
3
0
15
27
100
99
86
90
95
98
100
97
94
90
92
95

High Clouds (% Sky Obscured)

0
18
36
54
48
42
36
57
77
98
99
99
100
100
100
100
100
100
100
100
100
100
73
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
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
Snow
Light Rain
Light Rain
Light Rain
None
None
None
None
None
Very Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
5
8
8
68
95
95
90
70
38
48
40
35
69
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.8
1.4
0.4
0
0
0
0
0
0.3
0.7

Wind Speed/Direction (mph)

2
2
2
3
3
3
4
4
4
5
5
5
3
4
5
5
6
7
7
7
7
8
8
8

Chance of Frost

Temperature (°C)

-9
-10
-9
-9
-9
-8
-5
-3
-2
-0
1
1
0
-1
-1
-1
-1
-1
0
1
1
2
2
3

Feels Like (°C)

-11
-11
-10
-11
-11
-9
-7
-5
-4
-3
-4
-3
-3
-4
-5
-5
-5
-5
-4
-4
-4
-4
-3
-2

Dew Point (°C)

-13
-13
-13
-12
-12
-11
-11
-12
-13
-13
-13
-11
-8
-7
-6
-5
-4
-3
-3
-1
-1
0
1
2

Relative Humidity (%)

74
74
77
78
82
77
65
52
42
38
37
42
53
66
71
77
78
81
83
88
89
91
93
93

Pressure (mb)

1023
1023
1023
1022
1022
1022
1022
1021
1019
1018
1016
1016
1015
1014
1013
1012
1010
1009
1007
1006
1004
1002
1000
998

Ozone (du)

348
347
347
347
346
346
345
346
343
341
340
337
337
336
334
332
332
332
332
332
332
332
332
332

Monday 29

Waxing Gibbous 74%

12:08

02:56

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 OK
16 OK
17 OK
18 OK
19 OK
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:13, Set: 16:21, Transit: 11:47. Moon - Rise: 12:08, Set: 02:56. Civil Dark: 16:53 - 06:42. Nautical Dark: 17:28 - 06:06. Astro Dark: 18:02 - 05:32

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
90
81
72
60
47
37
34
37
30
30
42
54
52
67
91
88
89

Low Clouds (% Sky Obscured)

91
94
97
100
89
78
67
77
81
72
60
47
37
34
37
30
30
28
23
19
16
17
17
17

Medium Clouds (% Sky Obscured)

97
99
99
100
86
67
43
23
13
0
0
0
0
0
0
0
11
17
22
26
40
61
53
46

High Clouds (% Sky Obscured)

95
100
100
100
100
100
100
85
71
53
32
9
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

4
2
4
7
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

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
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
75
65
53
32
25
15
4
8
8
3
5
4
0
3
3
2
5
5

Precipitation Amount (mm)

1
1.2
1.3
1.3
1.1
0.7
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
8
8
10
10
9
9
11
12
13
15
14
14
14
14
13
13
13
14
14
14
14
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-2
-2
-3
-4
-4
1
1
1
1
2
1
-3
-4
-5
-5
-5
-5
-9
-10
-10
-10
-11
-11
-12

Dew Point (°C)

3
3
3
3
3
3
3
3
0
-2
-5
-6
-7
-8
-8
-9
-9
-10
-11
-11
-11
-12
-12
-12

Relative Humidity (%)

94
96
96
94
94
93
91
89
79
72
65
64
63
63
63
64
65
64
64
63
62
60
57
60

Pressure (mb)

996
994
992
990
988
988
988
987
987
988
988
988
989
990
991
991
992
992
993
993
993
993
994
994

Ozone (du)

332
332
334
337
339
343
347
352
357
362
366
373
379
385
386
387
389
388
387
386
388
390
392
396

Tuesday 30

Waxing Gibbous 84%

12:39

02:56

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

Sun - Rise: 07:14, Set: 16:22, Transit: 11:48. Moon - Rise: 12:39, Set: 02:56. Civil Dark: 16:53 - 06:42. Nautical Dark: 17:29 - 06:06. Astro Dark: 18:03 - 05:32

Total Clouds (% Sky Obscured)

86
87
88
80
52
32
13
18
23
29
20
30
47
29
19
17
13
9
5
6
6
7

Low Clouds (% Sky Obscured)

17
13
12
15
10
7
2
2
3
4
6
5
4
2
1
1
1
0
1
2
3
4

Medium Clouds (% Sky Obscured)

37
36
33
29
20
10
0
0
1
1
6
29
47
29
19
4
5
3
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
20
30
47
29
19
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
8
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

Precipitation Type

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

Precipitation Probability (%)

3
5
4
0
1
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

Wind Speed/Direction (mph)

14
14
14
14
14
14
14
14
14
14
14
14
14
13
13
13
13
12
11
11
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-12
-13
-12
-13
-13
-13
-13
-12
-11
-11
-11
-9
-9
-9
-9
-9
-10
-11
-11
-11
-11
-12

Dew Point (°C)

-12
-12
-13
-14
-14
-14
-14
-14
-13
-13
-13
-13
-12
-12
-13
-13
-13
-14
-14
-14
-14
-14

Relative Humidity (%)

62
67
63
59
57
55
52
50
49
48
47
50
53
55
55
56
56
56
56
56
57
57

Pressure (mb)

995
995
996
997
998
999
1000
1001
1001
1002
1002
1003
1004
1005
1006
1008
1009
1010
1011
1011
1012
1012

Ozone (du)

400
403
406
409
412
415
418
420
423
426
429
429
429
429
422
415
409
405
401
397
400
403

Forecast for Cedarwood, Middlesex, United States of America (42.36,-71.26)

Generated: 24/12/25 03:31:07. Forecast: 24/12/25 to 30/12/25. Timezone: UTC-5.00