Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 8

Waning Gibbous 84%

20:25

10:39

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

Sun - Rise: 07:02, Set: 16:12, Transit: 11:37. Moon - Rise: 20:25, Set: 10:39. Civil Dark: 16:44 - 06:30. Nautical Dark: 17:19 - 05:55. Astro Dark: 17:53 - 05:21

Total Clouds (% Sky Obscured)

40
31
20
16
27
40
44
10
89
93
55
45
45
41
43
41
36
7
25
23
25
28
29
8

Low Clouds (% Sky Obscured)

40
31
20
0
7
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
3
3
7
3
3
7
9
10
9
3
2
2
6
11
3
2
0

High Clouds (% Sky Obscured)

0
0
0
0
1
15
44
7
85
85
39
45
42
41
42
41
36
7
25
23
25
28
29
8

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)

10
10
10
10
11
10
12
13
14
13
13
11
10
9
9
8
8
7
7
6
6
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-7
-9
-11
-11
-12
-13
-13
-12
-12
-12
-11
-11
-11
-12
-13
-12
-13
-12
-14
-14
-13
-14
-14

Dew Point (°C)

-7
-9
-12
-14
-14
-15
-17
-19
-20
-20
-19
-19
-19
-19
-19
-20
-20
-20
-20
-20
-21
-21
-21
-21

Relative Humidity (%)

61
60
60
54
54
54
42
36
32
30
31
31
32
33
35
35
36
37
39
38
37
37
37
37

Pressure (mb)

1016
1017
1018
1020
1021
1023
1024
1024
1024
1024
1023
1024
1024
1025
1025
1025
1026
1026
1026
1025
1025
1025
1024
1024

Ozone (du)

324
327
335
336
333
334
337
336
333
333
330
330
332
333
334
334
332
339
344
346
350
350
350
352

Tuesday 9

Waning Gibbous 75%

21:38

11:08

03 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good
10 Good
11 Good
12 Good
13 OK
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: 07:03, Set: 16:12, Transit: 11:37. Moon - Rise: 21:38, Set: 11:08. Civil Dark: 16:44 - 06:31. Nautical Dark: 17:19 - 05:56. Astro Dark: 17:53 - 05:22

Total Clouds (% Sky Obscured)

3
4
7
0
0
0
0
0
0
0
27
100
100
100
100
100
88
100
98
98
98
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
34
59
77
85
83
76
83
70
42

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
13
45
100
100
100
100
76
99
91
90
81
98
40
100

High Clouds (% Sky Obscured)

2
2
5
0
0
0
0
0
0
0
22
100
100
100
100
89
40
40
0
0
19
59
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
0
0
2

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
Snow
Snow
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
16
53
54
25
4

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
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-10
-10
-10
-10
-11
-10
-8
-6
-5
-3
-3
-2
-2
-3
-4
-4
-4
-4
-3
-2
-1
-1
-0
1

Feels Like (°C)

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

Dew Point (°C)

-21
-21
-21
-21
-22
-23
-23
-24
-25
-25
-26
-25
-24
-22
-19
-16
-15
-12
-10
-8
-5
-1
-1
-1

Relative Humidity (%)

38
39
39
39
38
35
28
23
19
16
14
15
17
21
28
38
43
52
59
64
74
98
98
92

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1024
1023
1021
1020
1019
1019
1018
1018
1018
1017
1016
1015
1014
1013
1012
1011
1010

Ozone (du)

355
369
372
375
386
390
403
410
408
408
404
392
388
399
395
380
374
367
367
368
365
360
357
357

Wednesday 10

Waning Gibbous 65%

22:47

11:32

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

Sun - Rise: 07:04, Set: 16:12, Transit: 11:38. Moon - Rise: 22:47, Set: 11:32. Civil Dark: 16:44 - 06:32. Nautical Dark: 17:19 - 05:57. Astro Dark: 17:53 - 05:23

Total Clouds (% Sky Obscured)

100
96
87
91
100
100
100
100
100
100
100
100
100
100
99
100
100
100
100
84
80
87
88
86

Low Clouds (% Sky Obscured)

53
29
26
21
32
32
31
28
67
83
81
85
85
91
79
100
93
79
66
57
62
67
64
59

Medium Clouds (% Sky Obscured)

100
94
72
61
44
28
100
100
89
99
100
99
100
100
99
100
100
100
100
84
80
87
79
69

High Clouds (% Sky Obscured)

100
27
58
74
100
99
100
100
100
85
100
100
100
100
24
34
15
10
16
8
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
7
6
9
9
9
5
7
4
9
1
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
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
4
27
21
44
51
43
66
67
74
77
75
71
36
6
5

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
75
77
81
84
81
74
72
72
73
76
82
85
88
90
83
82
82
86
91
94
94
96
96

Pressure (mb)

1009
1009
1009
1009
1009
1008
1008
1007
1006
1004
1002
1001
1000
999
998
997
997
996
995
995
995
994
994
994

Ozone (du)

357
358
358
358
359
357
353
352
349
348
346
343
339
339
336
337
337
336
330
333
332
333
343
344

Thursday 11

Third Quarter 55%

23:53

11:52

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 OK
21 Bad
22 Bad
23 Bad
00 Bad
01 OK
02 OK

Sun - Rise: 07:04, Set: 16:12, Transit: 11:38. Moon - Rise: 23:53, Set: 11:52. Civil Dark: 16:44 - 06:33. Nautical Dark: 17:19 - 05:57. Astro Dark: 17:53 - 05:23

Total Clouds (% Sky Obscured)

88
82
81
74
72
70
69
40
58
83
87
87
86
79
77
66
44
36
82
61
63
50
41
35

Low Clouds (% Sky Obscured)

54
52
47
48
53
56
58
39
43
48
54
67
72
71
70
66
44
36
47
31
21
9
8
7

Medium Clouds (% Sky Obscured)

13
60
26
8
72
70
4
6
18
31
29
27
25
20
13
15
10
8
82
46
63
50
41
35

High Clouds (% Sky Obscured)

0
0
4
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
8
0
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 (%)

13
5
16
30
22
8
14
2
1
0
0
0
0
5
10
16
16
14
8
6
3
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)

9
8
7
7
7
8
9
10
11
12
11
10
10
10
9
9
7
8
8
8
8
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-1
-2
-2
-1
-1
-1
-2
-2
-1
-1
-2
-2
-3
-5
-5
-6
-6
-6
-6
-9
-9
-9
-9
-9

Dew Point (°C)

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

Relative Humidity (%)

93
88
89
94
96
96
86
79
72
64
57
53
54
62
61
60
63
66
72
75
72
70
70
69

Pressure (mb)

994
994
995
996
996
997
998
1000
1000
1000
1001
1002
1003
1003
1004
1005
1006
1006
1006
1006
1006
1006
1006
1007

Ozone (du)

347
345
344
334
331
336
334
323
326
327
336
344
352
349
348
347
346
343
341
337
335
336
339
340

Friday 12

Waning Crescent 44%

00:56

12:11

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

Sun - Rise: 07:05, Set: 16:12, Transit: 11:39. Moon - Rise: 00:56, Set: 12:11. Civil Dark: 16:44 - 06:33. Nautical Dark: 17:19 - 05:58. Astro Dark: 17:54 - 05:24

Total Clouds (% Sky Obscured)

21
20
28
33
33
30
28
37
44
53
46
65
45
39
22
14
32
48
58
67
76
86
90
95

Low Clouds (% Sky Obscured)

6
14
23
32
32
30
28
37
44
53
46
65
45
39
22
14
32
46
44
33
20
4
6
7

Medium Clouds (% Sky Obscured)

21
20
28
1
2
3
5
2
1
0
5
9
18
11
5
0
6
9
8
35
60
82
88
94

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
9
17
17
16
18
49
78

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
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
None
None
None
None
None
None

Precipitation Probability (%)

0
0
1
2
1
0
0
0
0
0
9
8
4
7
6
2
3
1
0
0
0
0
10
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)

8
8
8
8
7
8
10
10
10
10
11
10
8
7
7
6
6
5
5
5
6
6
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
70
69
72
73
70
60
53
48
46
47
49
54
62
68
71
74
72
72
72
71
68
68
77

Pressure (mb)

1007
1007
1008
1008
1009
1009
1010
1010
1009
1009
1008
1008
1009
1009
1010
1011
1012
1012
1012
1012
1011
1011
1011
1010

Ozone (du)

341
346
343
338
336
334
334
337
337
336
337
338
345
348
347
347
344
345
347
348
351
355
359
359

Saturday 13

Waning Crescent 34%

01:59

12:30

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

Sun - Rise: 07:06, Set: 16:13, Transit: 11:39. Moon - Rise: 01:59, Set: 12:30. Civil Dark: 16:44 - 06:34. Nautical Dark: 17:20 - 05:59. Astro Dark: 17:54 - 05:25

Total Clouds (% Sky Obscured)

100
98
96
94
93
92
91
76
63
49
47
41
36
40
57
64
36
27
26
38
27
13
13
10

Low Clouds (% Sky Obscured)

9
6
3
0
10
19
29
34
38
43
40
37
34
40
57
64
36
27
26
38
27
13
13
10

Medium Clouds (% Sky Obscured)

100
88
75
59
47
31
15
4
5
0
0
0
0
0
1
1
13
23
26
33
21
7
7
3

High Clouds (% Sky Obscured)

100
67
33
0
1
2
3
15
27
37
22
7
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

3
0
3
6
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 (%)

23
23
22
16
17
17
15
14
10
0
0
0
0
0
0
0
2
4
6
6
5
3
8
8

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-4
-3
-4
-4
-5
-6
-7
-8
-9
-10
-12
-12
-13
-14
-14
-14
-14
-15
-15
-16
-15
-15
-15
-15

Relative Humidity (%)

86
96
91
86
79
71
63
55
51
47
43
42
42
42
44
44
46
46
45
44
46
48
48
48

Pressure (mb)

1010
1010
1010
1009
1009
1009
1010
1010
1009
1009
1009
1009
1009
1010
1010
1011
1012
1012
1013
1013
1013
1013
1013
1013

Ozone (du)

359
359
358
357
355
352
348
345
345
344
344
345
346
346
347
348
348
349
350
350
350
351
351
347

Sunday 14

Waning Crescent 25%

03:02

12:49

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

Sun - Rise: 07:07, Set: 16:13, Transit: 11:40. Moon - Rise: 03:02, Set: 12:49. Civil Dark: 16:45 - 06:35. Nautical Dark: 17:20 - 05:59. Astro Dark: 17:54 - 05:25

Total Clouds (% Sky Obscured)

10
8
6
14
20
17
15
15
13
10
3
4
3
3
3
4
3
3
3
2
1
0

Low Clouds (% Sky Obscured)

10
8
6
14
20
17
6
11
13
10
1
1
1
3
3
1
1
0
1
1
1
0

Medium Clouds (% Sky Obscured)

3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
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

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 (%)

7
14
17
17
16
14
11
13
10
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)

10
10
10
10
10
10
11
11
11
11
12
11
11
11
10
10
9
9
8
8
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-11
-11
-11
-11
-11
-11
-12
-11
-11
-11
-10
-7
-8
-8
-8
-8
-9
-10
-10
-9
-10
-10

Dew Point (°C)

-15
-15
-15
-15
-16
-16
-17
-17
-17
-17
-17
-16
-15
-14
-14
-14
-13
-13
-13
-13
-13
-14

Relative Humidity (%)

48
48
49
49
48
45
42
39
37
34
32
37
41
47
50
53
56
57
57
58
58
57

Pressure (mb)

1014
1014
1015
1015
1016
1017
1018
1018
1018
1018
1018
1019
1020
1021
1022
1023
1024
1025
1025
1025
1026
1026

Ozone (du)

344
341
342
343
344
349
354
360
359
359
358
360
361
363
360
357
354
348
341
335
332
329

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

Generated: 08/12/25 03:45:00. Forecast: 08/12/25 to 14/12/25. Timezone: UTC-5.00