Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 19

New Moon 1%

08:02

15:33

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

Sun - Rise: 07:10, Set: 16:15, Transit: 11:43. Moon - Rise: 08:02, Set: 15:33. Civil Dark: 16:46 - 06:38. Nautical Dark: 17:22 - 06:03. Astro Dark: 17:56 - 05:29

Total Clouds (% Sky Obscured)

100
100
97
69
100
100
98
88
70
67
43
41
43
44
24
1
0
0
2
0
0
60
100
94

Low Clouds (% Sky Obscured)

100
89
13
69
100
100
87
69
53
64
43
41
23
25
5
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

83
99
9
14
50
100
93
88
2
0
0
0
0
0
0
0
0
0
0
0
0
3
40
62

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
60
100
57

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

95
95
83
29
50
95
95
24
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

1.3
1.3
0.4
0
0
1.1
0.9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

23
22
14
13
12
10
11
15
15
14
16
15
16
16
15
15
14
13
10
9
8
9
9
9

Chance of Frost

Temperature (°C)

15
15
9
7
8
7
5
3
1
0
-0
-1
-1
-1
-1
-1
-2
-2
-2
-1
0
1
2
3

Feels Like (°C)

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

Dew Point (°C)

14
12
7
5
4
3
3
-2
-4
-5
-6
-8
-8
-9
-8
-8
-10
-11
-11
-12
-12
-12
-12
-11

Relative Humidity (%)

92
82
87
87
77
76
88
70
67
67
65
57
57
56
60
60
55
51
49
43
39
37
35
35

Pressure (mb)

989
990
990
991
993
994
996
998
1000
1002
1004
1006
1008
1009
1010
1012
1014
1016
1017
1018
1020
1020
1020
1019

Ozone (du)

291
297
309
319
326
335
346
353
349
346
343
339
332
324
322
319
318
315
310
307
306
302
302
300

Saturday 20

Waxing Crescent 3%

08:46

16:29

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
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 OK
13 Good

Sun - Rise: 07:11, Set: 16:15, Transit: 11:43. Moon - Rise: 08:46, Set: 16:29. Civil Dark: 16:47 - 06:39. Nautical Dark: 17:22 - 06:04. Astro Dark: 17:57 - 05:29

Total Clouds (% Sky Obscured)

73
89
75
75
81
100
99
100
97
95
78
81
97
100
95
96
95
94
85
88
89
100
31
2

Low Clouds (% Sky Obscured)

0
0
0
1
6
0
0
1
12
0
0
0
19
26
31
30
27
19
0
0
0
2
7
1

Medium Clouds (% Sky Obscured)

19
60
61
66
71
82
91
67
59
84
78
29
35
32
36
52
88
83
77
82
80
100
18
0

High Clouds (% Sky Obscured)

55
45
51
63
58
91
95
100
84
46
18
49
84
100
80
53
50
40
25
20
20
15
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
5
14
14
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-11
-10
-9
-8
-8
-7
-7
-7
-6
-5
-4
-5
-4
-3
-2
-3
-3
-3
-2
-2
-2
-3
-4
-5

Relative Humidity (%)

36
39
43
51
55
59
61
60
62
67
68
64
65
65
68
64
64
64
66
63
60
56
49
47

Pressure (mb)

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

Ozone (du)

295
294
294
296
295
294
293
293
293
292
296
297
296
293
291
288
288
287
289
290
291
294
298
302

Sunday 21

Waxing Crescent 7%

09:22

17:31

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

Sun - Rise: 07:11, Set: 16:16, Transit: 11:44. Moon - Rise: 09:22, Set: 17:31. Civil Dark: 16:47 - 06:39. Nautical Dark: 17:23 - 06:04. Astro Dark: 17:57 - 05:30

Total Clouds (% Sky Obscured)

26
38
10
2
23
11
2
1
1
29
74
76
57
79
13
2
2
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

26
38
10
1
23
11
2
1
1
26
74
76
57
74
13
1
1
0
0
0
0
0
0
0

Medium 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
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
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
4
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)

15
12
12
11
11
11
11
11
11
11
10
10
11
11
12
12
11
11
11
11
12
12
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-7
-7
-7
-8
-8
-9
-9
-9
-9
-10
-10
-11
-11
-12
-13
-14
-15
-16
-16
-16
-17
-17
-17
-17

Relative Humidity (%)

41
45
48
51
54
55
57
59
59
58
57
55
51
50
49
47
47
45
42
39
35
31
29
29

Pressure (mb)

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

Ozone (du)

305
309
314
318
321
326
328
330
336
345
350
351
351
350
348
345
351
353
354
352
353
351
341
339

Monday 22

Waxing Crescent 7%

09:52

18:38

14 Good
15 Good
16 Good
17 Good
18 OK
19 OK
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

Sun - Rise: 07:12, Set: 16:16, Transit: 11:44. Moon - Rise: 09:52, Set: 18:38. Civil Dark: 16:48 - 06:40. Nautical Dark: 17:23 - 06:04. Astro Dark: 17:58 - 05:30

Total Clouds (% Sky Obscured)

0
0
4
10
18
43
66
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98

Low Clouds (% Sky Obscured)

0
0
4
10
16
11
6
0
0
0
0
0
15
25
53
77
100
99
97
96
87
76
66
71

Medium Clouds (% Sky Obscured)

0
0
0
0
0
12
23
35
33
100
100
100
100
100
100
100
100
100
100
100
100
100
100
94

High Clouds (% Sky Obscured)

0
0
0
0
0
33
66
97
100
100
100
100
100
99
100
100
100
100
100
100
97
94
92
61

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
6
2
2
2
2
9
1
2
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
1
2
1
1
0
0
0
0
0
3
15
30
40
57
62
72
85
95
95
95
86

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.3
0.3
0.4
0.5
0.6
0.6
0.5
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-16
-15
-14
-13
-13
-12
-12
-12
-12
-11
-11
-10
-10
-10
-10
-10
-9
-9
-7
-4
-2
-1
0
1

Relative Humidity (%)

30
32
36
42
46
49
50
51
54
54
55
57
57
57
56
55
56
59
63
83
92
96
98
98

Pressure (mb)

1029
1029
1030
1030
1030
1031
1030
1030
1029
1029
1029
1029
1029
1029
1028
1028
1027
1027
1026
1025
1024
1022
1020
1018

Ozone (du)

341
350
351
352
350
351
349
345
343
340
337
334
332
330
333
336
332
331
324
322
321
319
320
321

Tuesday 23

Waxing Crescent 13%

10:17

19:46

14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 OK
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

Sun - Rise: 07:12, Set: 16:17, Transit: 11:45. Moon - Rise: 10:17, Set: 19:46. Civil Dark: 16:48 - 06:40. Nautical Dark: 17:24 - 06:05. Astro Dark: 17:58 - 05:31

Total Clouds (% Sky Obscured)

97
96
97
98
97
94
89
84
81
24
85
97
97
99
95
92
88
89
89
90
94
97
100
96

Low Clouds (% Sky Obscured)

76
82
88
94
97
76
53
29
35
24
49
91
84
76
72
66
59
40
20
0
25
49
73
76

Medium Clouds (% Sky Obscured)

86
65
42
32
26
21
20
28
18
9
0
49
23
18
16
8
5
4
0
0
20
39
59
55

High Clouds (% Sky Obscured)

31
0
0
0
0
0
0
0
1
1
13
31
29
6
24
43
61
70
79
88
92
96
100
68

ISS Passover

Visibility (miles)

0
0
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

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 (%)

64
52
40
30
11
8
6
7
14
2
0
32
29
22
18
13
4
3
2
0
0
0
0
1

Precipitation Amount (mm)

0.3
0.2
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)

9
9
8
8
7
8
8
9
9
9
9
9
7
7
7
7
7
7
7
8
8
9
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
94
91
89
91
89
86
86
85
80
76
74
71
70
73
74
77
74
73
70
69
67
66

Pressure (mb)

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

Ozone (du)

324
322
322
324
326
327
325
322
323
324
323
322
321
321
320
319
318
317
315
314
313
315
317
319

Wednesday 24

Waxing Crescent 21%

10:39

20:54

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

Sun - Rise: 07:12, Set: 16:17, Transit: 11:45. Moon - Rise: 10:39, Set: 20:54. Civil Dark: 16:49 - 06:41. Nautical Dark: 17:25 - 06:05. Astro Dark: 17:59 - 05:31

Total Clouds (% Sky Obscured)

90
84
71
58
52
47
35
34
35
16
1
8
18
25
44
68
85
73
56
38
37
41
42
48

Low Clouds (% Sky Obscured)

75
74
70
58
52
47
35
34
35
16
0
0
0
0
0
0
0
1
2
4
3
1
0
0

Medium Clouds (% Sky Obscured)

51
43
30
23
3
1
1
0
0
0
0
1
3
4
23
41
60
45
31
16
11
6
2
4

High Clouds (% Sky Obscured)

33
0
0
0
0
0
0
0
0
0
0
0
0
1
5
15
30
24
15
10
15
15
15
11

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 (%)

1
0
1
1
0
1
1
1
1
1
0
2
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
69
72
73
76
77
77
77
76
76
75
73
75
73
73
76
79
82
75
70
65
62
58
55

Pressure (mb)

1019
1020
1020
1021
1022
1023
1023
1024
1024
1025
1025
1025
1026
1026
1026
1026
1027
1027
1027
1027
1028
1027
1026
1026

Ozone (du)

322
325
328
329
330
331
326
321
316
315
313
311
312
314
315
315
314
314
316
318
320
318
315
313

Thursday 25

Waxing Crescent 30%

10:59

22:03

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
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:13, Set: 16:18, Transit: 11:46. Moon - Rise: 10:59, 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)

52
56
71
85
100
100
100
100
100
97
98
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
11
23
34
54
75
96
96
93
93
96
98
100

Medium Clouds (% Sky Obscured)

6
8
29
49
70
80
90
100
96
92
88
92
96
100
100
100
100

High Clouds (% Sky Obscured)

2
3
7
8
10
10
10
10
21
28
39
76
92
96
96
97
98

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
8
8
5
3
0
3
5

Fog (%)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
19
23
25
67
85
93
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.5
1
1.5
2.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
69
77
81
84
88
89
88
88
89
94
98
96
96
98
96
96

Pressure (mb)

1026
1026
1026
1026
1026
1026
1025
1025
1024
1023
1022
1021
1019
1017
1015
1014
1012

Ozone (du)

310
308
306
304
302
299
297
295
293
291
290
288
287
285
284
289
295

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

Generated: 19/12/25 14:34:38. Forecast: 19/12/25 to 25/12/25. Timezone: UTC-5.00