Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 19

New Moon 1%

08:05

No Set

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

Sun - Rise: 07:14, Set: 16:26, Transit: 11:50. Moon - Rise: 08:05, Set: No Set. Civil Dark: 16:57 - 06:43. Nautical Dark: 17:31 - 06:08. Astro Dark: 18:05 - 05:34

Total Clouds (% Sky Obscured)

61
76
80
78
28
5
9
20
39
25
15
2
2
1
0
5
0
22
47
79
57
59
70
100

Low Clouds (% Sky Obscured)

58
76
62
78
27
5
9
19
37
21
13
2
2
1
0
4
0
1
0
0
0
0
0
2

Medium Clouds (% Sky Obscured)

61
76
7
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
38
57
59
70
56

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
19
47
31
30
25
45
100

ISS Passover

Visibility (miles)

9
3
6
1
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

Very Light Rain
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
None

Precipitation Probability (%)

48
95
63
29
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.2
1.2
0.3
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
10
18
16
23
23
23
22
21
21
20
19
17
15
12
8
7
10
14
9
7
8
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
85
85
91
59
59
59
56
57
53
55
59
55
54
56
56
56
56
54
50
47
48
49
50

Pressure (mb)

994
995
998
1000
1003
1005
1007
1009
1010
1012
1014
1015
1016
1017
1019
1020
1021
1022
1023
1022
1021
1021
1021
1021

Ozone (du)

325
335
345
348
342
341
341
327
320
312
312
308
305
306
304
302
302
299
296
295
293
292
291
291

Saturday 20

Waxing Crescent 3%

08:49

16:41

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

Sun - Rise: 07:14, Set: 16:26, Transit: 11:50. Moon - Rise: 08:49, Set: 16:41. Civil Dark: 16:57 - 06:43. Nautical Dark: 17:32 - 06:08. Astro Dark: 18:06 - 05:35

Total Clouds (% Sky Obscured)

72
80
64
22
16
83
73
100
96
66
41
62
81
100
91
97
100
100
100
56
40
37
12
14

Low Clouds (% Sky Obscured)

1
0
3
3
0
0
0
0
0
0
0
0
9
0
8
1
0
1
0
1
1
17
11
14

Medium Clouds (% Sky Obscured)

37
50
11
4
4
12
5
15
19
12
20
58
77
74
86
97
100
100
100
56
40
0
0
0

High Clouds (% Sky Obscured)

72
45
57
14
16
83
73
100
96
41
15
11
21
57
59
50
55
65
100
46
40
35
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
3
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
12
12
13
14
17
17
18
17
16
16
15
15
13
13
13
14
14
14
14
14
15
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

52
54
54
56
57
60
59
63
66
67
67
69
71
69
70
73
72
66
59
56
54
55
48
45

Pressure (mb)

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

Ozone (du)

291
291
289
287
289
289
288
286
285
284
283
282
281
283
283
283
284
286
287
289
293
298
300
305

Sunday 21

Waxing Crescent 7%

09:26

17:43

16 Good
17 Good
18 Good
19 Good
20 Good
21 Good
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 Good
13 Good
14 OK
15 OK

Sun - Rise: 07:15, Set: 16:27, Transit: 11:51. Moon - Rise: 09:26, Set: 17:43. Civil Dark: 16:58 - 06:44. Nautical Dark: 17:32 - 06:09. Astro Dark: 18:06 - 05:35

Total Clouds (% Sky Obscured)

8
0
0
0
0
2
2
1
10
8
3
0
0
0
0
0
0
1
0
1
2
8
44
30

Low Clouds (% Sky Obscured)

5
0
0
0
0
1
1
1
10
8
3
0
0
0
0
0
0
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
1
2
3
4
30

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
1
9
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
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)

17
16
16
16
15
16
17
18
18
16
17
15
13
11
11
9
9
8
8
8
8
7
6
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

51
47
48
49
49
51
52
53
54
56
52
52
52
53
52
52
51
48
44
42
41
40
41
43

Pressure (mb)

1019
1020
1021
1023
1023
1024
1024
1025
1025
1025
1027
1027
1028
1029
1030
1030
1031
1032
1032
1031
1031
1030
1030
1030

Ozone (du)

312
315
323
327
330
334
337
339
344
342
345
343
340
332
328
325
327
330
329
329
328
328
330
332

Monday 22

Waxing Crescent 13%

09:56

18:49

16 OK
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 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:15, Set: 16:27, Transit: 11:51. Moon - Rise: 09:56, Set: 18:49. Civil Dark: 16:58 - 06:44. Nautical Dark: 17:33 - 06:09. Astro Dark: 18:07 - 05:36

Total Clouds (% Sky Obscured)

40
57
57
66
80
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
7
15
25
35
45
35
21
10
40
71
99
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

40
21
53
66
80
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
96
94

High Clouds (% Sky Obscured)

5
5
5
33
67
100
100
100
100
100
100
100
100
100
100
87
74
59
39
20
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
3
7
4
8
6
9
3
6
9
1
0
0
0
0
1
8

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
Snow
Snow
Snow
Snow
Snow
Light Rain
Light Rain
Light Rain
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
1
10
13
16
23
52
72
89
79
74
58
69
80
86
75
53
30

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.6
0.4
0.4
0.2
0.3
0.4
0.5
0.4
0
0

Wind Speed/Direction (mph)

4
6
8
8
8
8
7
5
4
4
1
2
4
7
10
9
12
12
12
12
16
14
13
14

Chance of Frost

Temperature (°C)

2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
3
3
3
3
3

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

49
55
60
61
61
62
62
62
62
66
71
71
70
80
89
89
81
93
96
98
98
96
94
94

Pressure (mb)

1030
1030
1030
1030
1030
1030
1030
1029
1029
1029
1028
1028
1027
1027
1026
1026
1025
1023
1022
1020
1018
1016
1015
1015

Ozone (du)

330
330
326
325
322
318
315
314
313
313
316
311
310
306
306
305
306
311
311
310
312
312
314
315

Tuesday 23

Waxing Crescent 21%

10:22

19:56

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 Good
07 Good
08 Good
09 Good
10 Good
11 Good
12 Good
13 Good
14 Good
15 Good

Sun - Rise: 07:16, Set: 16:28, Transit: 11:52. Moon - Rise: 10:22, Set: 19:56. Civil Dark: 16:59 - 06:44. Nautical Dark: 17:34 - 06:10. Astro Dark: 18:07 - 05:36

Total Clouds (% Sky Obscured)

92
84
76
84
92
99
95
91
79
85
82
81
86
70
16
14
12
11
10
9
6
5
2
0

Low Clouds (% Sky Obscured)

92
84
76
84
87
91
89
88
79
85
82
81
73
57
16
14
12
11
10
9
6
5
2
0

Medium Clouds (% Sky Obscured)

63
31
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
31
63
92
57
20
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 (%)

25
13
0
0
0
0
12
4
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
91
89
89
89
85
82
80
82
80
80
82
80
80
77
73
69
63
63
62
60
61
63

Pressure (mb)

1014
1013
1013
1013
1013
1013
1013
1014
1014
1014
1015
1016
1016
1018
1019
1020
1022
1023
1024
1024
1025
1025
1026
1027

Ozone (du)

317
315
313
310
309
310
310
311
313
314
314
311
309
308
305
304
304
304
304
304
305
306
304
303

Wednesday 24

Waxing Crescent 20%

10:45

21:04

16 Good
17 Good
18 Good
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
14 Bad
15 Bad

Sun - Rise: 07:16, Set: 16:28, Transit: 11:52. Moon - Rise: 10:45, Set: 21:04. Civil Dark: 16:59 - 06:45. Nautical Dark: 17:34 - 06:10. Astro Dark: 18:08 - 05:36

Total Clouds (% Sky Obscured)

1
2
4
34
66
100
100
100
100
100
100
100
100
99
100
99
100
100
100
100
100
99
81
38

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
18
36
54
66
78
90
92
95
98
90
81
38

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
4
8
12
41
71
100
98
97
96
83
68
53
37
21
6
4
2
0

High Clouds (% Sky Obscured)

1
2
3
31
61
90
87
94
100
80
59
38
59
79
100
99
100
100
100
96
95
67
32
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
1
6
15
39
52
62
63
63
63
58
54
52

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.3
0.3
0.3
0.3
0.2
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
65
68
69
70
71
73
74
73
74
73
73
74
76
77
78
76
74
72
72
72
74
76
79

Pressure (mb)

1027
1028
1029
1030
1030
1030
1030
1030
1029
1029
1029
1028
1028
1028
1027
1026
1026
1025
1025
1023
1022
1020
1020
1019

Ozone (du)

301
300
298
296
296
297
297
298
300
301
302
303
303
304
304
304
305
307
308
307
307
306
305
305

Thursday 25

Waxing Crescent 30%

11:06

22:11

16 Bad
17 OK
18 Good
19 OK
20 OK
21 Good
22 OK
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: 07:16, Set: 16:29, Transit: 11:53. Moon - Rise: 11:06, Set: 22:11. Civil Dark: 17:00 - 06:45. Nautical Dark: 17:35 - 06:10. Astro Dark: 18:08 - 05:37

Total Clouds (% Sky Obscured)

20
9
2
3
3
3
30
56
83
89
94
100
100
100
100
99
98
97
98
99
100

Low Clouds (% Sky Obscured)

20
9
2
3
3
3
3
3
3
34
64
81
65
38
35
20
8
0
24
49
73

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
5
6
6
30
54
76
84
91
97
98
99
100

High Clouds (% Sky Obscured)

20
9
2
3
3
3
30
56
83
84
67
51
67
84
100
87
74
61
74
87
100

ISS Passover

Visibility (miles)

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

Fog (%)

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
Very Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain

Precipitation Probability (%)

42
28
15
12
6
8
5
3
0
0
0
0
0
1
6
35
64
88
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
1.7
2.7
3.5

Wind Speed/Direction (mph)

4
4
4
4
3
3
4
4
4
4
5
5
7
7
7
7
8
9
10
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
83
86
88
88
86
86
86
86
85
83
82
79
83
86
89
93
96
100
98
98

Pressure (mb)

1019
1019
1018
1018
1018
1018
1017
1017
1017
1016
1016
1015
1015
1014
1014
1014
1013
1012
1012
1010
1009

Ozone (du)

304
303
302
301
300
299
297
294
290
287
283
279
276
274
272
270
270
270
270
271
272

Forecast for Silver Beach, New Haven, United States of America (41.20,-73.07)

Generated: 19/12/25 16:49:49. Forecast: 19/12/25 to 25/12/25. Timezone: UTC-5.00