Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 16

Waning Crescent 11%

05:19

14:03

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

Sun - Rise: 07:18, Set: 16:40, Transit: 11:59. Moon - Rise: 05:19, Set: 14:03. Civil Dark: 17:10 - 06:48. Nautical Dark: 17:44 - 06:14. Astro Dark: 18:17 - 05:41

Total Clouds (% Sky Obscured)

36
28
23
21
6
17
78
78
79
100
100
87
3
3
3
11
4
26
3
61
87
86
62
86

Low Clouds (% Sky Obscured)

3
0
0
0
2
3
4
5
4
2
1
1
1
1
1
0
1
1
1
52
47
61
42
30

Medium Clouds (% Sky Obscured)

0
0
0
0
0
3
4
67
78
0
0
0
0
0
0
0
0
0
0
0
0
0
0
10

High Clouds (% Sky Obscured)

1
1
2
2
2
14
78
32
52
100
100
87
2
3
2
11
2
26
2
33
72
63
47
64

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
73
72
70
72
75
80
89
92
92
94
94
92
92
91
87
91
90
90
92
92
91
92
92

Pressure (mb)

1025
1026
1025
1024
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1021
1021
1020
1020
1019
1018
1018
1018
1017

Ozone (du)

280
280
278
274
274
271
267
267
267
268
269
267
266
266
264
262
261
261
261
262
262
264
265
267

Wednesday 17

Waning Crescent 6%

06:20

14:36

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

Sun - Rise: 07:19, Set: 16:40, Transit: 11:59. Moon - Rise: 06:20, Set: 14:36. Civil Dark: 17:10 - 06:48. Nautical Dark: 17:44 - 06:15. Astro Dark: 18:17 - 05:42

Total Clouds (% Sky Obscured)

100
62
64
79
100
92
100
100
100
100
100
5
13
16
43
41
68
71
35
32
8
50
77
69

Low Clouds (% Sky Obscured)

20
2
15
39
27
0
0
0
0
0
0
2
1
1
1
0
0
0
0
0
0
0
31
3

Medium Clouds (% Sky Obscured)

20
21
29
64
100
92
100
99
0
0
0
0
0
0
0
0
0
0
0
0
6
31
61
54

High Clouds (% Sky Obscured)

100
40
11
35
5
76
70
100
100
100
100
3
11
15
42
38
64
71
35
32
1
16
4
39

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
88
89
89
88
88
86
85
88
89
89
91
94
94
94
94
94
94
92
91
92
94
96
94

Pressure (mb)

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

Ozone (du)

267
269
271
275
278
281
284
290
296
296
300
305
311
313
314
312
311
308
303
300
296
296
295
293

Thursday 18

Waning Crescent 2%

07:17

15:16

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
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 07:19, Set: 16:41, Transit: 12:00. Moon - Rise: 07:17, Set: 15:16. Civil Dark: 17:11 - 06:49. Nautical Dark: 17:45 - 06:15. Astro Dark: 18:18 - 05:42

Total Clouds (% Sky Obscured)

65
78
91
81
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
95
91
94
97

Low Clouds (% Sky Obscured)

0
6
1
0
0
64
66
57
59
51
60
54
88
93
72
57
82
85
89
89
88
86
84
80

Medium Clouds (% Sky Obscured)

58
58
91
76
95
89
76
92
88
97
97
99
100
99
100
100
100
100
100
97
93
87
60
88

High Clouds (% Sky Obscured)

16
78
90
71
100
100
100
99
100
100
100
100
95
26
100
100
100
100
100
67
33
0
33
63

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
6
0
7
4
2
2
8
9
9
9
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
Light Rain
Light Rain
None
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
2
2
20
27
22
83
80
65
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.4
0
1.1
2.2
4.2
2.4
1.4
1
0.6
1
1.4

Wind Speed/Direction (mph)

3
4
4
4
4
4
4
3
4
4
4
5
4
4
6
9
12
13
15
16
15
14
15
12

Chance of Frost

Temperature (°C)

0
3
4
5
5
5
5
5
5
5
5
5
5
6
7
9
11
12
12
14
14
14
14
14

Feels Like (°C)

-1
1
3
3
4
3
3
2
3
3
2
3
3
3
4
5
7
8
8
9
10
11
11
11

Dew Point (°C)

-2
1
1
2
3
4
4
4
5
5
4
4
5
6
7
8
10
11
12
13
13
13
14
13

Relative Humidity (%)

88
86
83
82
85
90
94
94
96
96
93
94
96
98
100
96
91
95
95
95
95
95
95
95

Pressure (mb)

1024
1024
1023
1022
1021
1020
1020
1019
1018
1018
1017
1016
1015
1013
1011
1009
1007
1004
1003
1001
1000
998
998
997

Ozone (du)

292
293
292
291
290
290
290
290
288
286
286
287
286
284
284
285
286
285
289
295
301
302
303
306

Friday 19

New Moon 0%

08:09

16:04

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 OK
22 OK
23 OK
00 Bad
01 OK
02 OK
03 Good
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 07:20, Set: 16:41, Transit: 12:00. Moon - Rise: 08:09, Set: 16:04. Civil Dark: 17:11 - 06:49. Nautical Dark: 17:45 - 06:16. Astro Dark: 18:18 - 05:43

Total Clouds (% Sky Obscured)

100
86
71
49
44
54
59
61
49
52
52
41
34
31
28
57
40
39
12
51
57
55
55
55

Low Clouds (% Sky Obscured)

79
72
58
41
40
48
52
54
49
46
46
41
34
31
28
35
27
21
12
9
4
0
0
0

Medium Clouds (% Sky Obscured)

91
86
71
42
6
11
23
21
18
14
10
6
0
0
0
0
4
1
0
0
1
20
35
40

High Clouds (% Sky Obscured)

99
70
47
0
0
0
0
0
0
0
0
0
0
0
0
40
20
39
5
51
57
55
55
55

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

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 (%)

95
95
77
37
28
26
3
10
11
6
10
7
1
1
1
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.9
0.8
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)

14
15
14
15
14
14
14
15
16
17
16
17
17
17
17
16
14
13
12
12
10
9
7
7

Chance of Frost

Temperature (°C)

12
11
10
11
11
11
10
9
7
5
4
4
3
2
1
0
-1
-1
-1
-1
-1
-1
-1
-1

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
81
83
76
66
60
62
67
60
62
62
61
59
59
60
61
61
62
62
63
64
64
63
61

Pressure (mb)

999
999
999
999
999
999
1001
1002
1004
1006
1008
1009
1010
1011
1013
1014
1015
1016
1017
1018
1019
1020
1020
1021

Ozone (du)

312
317
325
333
337
339
347
346
349
351
344
335
333
329
322
317
313
311
308
306
303
303
303
302

Saturday 20

Waxing Crescent 1%

08:54

16:59

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

Sun - Rise: 07:20, Set: 16:42, Transit: 12:01. Moon - Rise: 08:54, Set: 16:59. Civil Dark: 17:12 - 06:50. Nautical Dark: 17:46 - 06:16. Astro Dark: 18:19 - 05:43

Total Clouds (% Sky Obscured)

60
77
86
100
98
44
71
24
23
100
83
67
47
71
89
100
82
61
41
60
84
99
95
92

Low Clouds (% Sky Obscured)

1
1
6
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

55
52
48
64
66
25
30
24
23
54
65
67
47
71
89
87
59
29
0
5
11
16
54
60

High Clouds (% Sky Obscured)

60
77
78
81
86
33
62
24
23
100
82
63
44
62
80
100
82
61
41
60
84
99
92
80

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
1
1
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)

7
7
8
7
6
7
8
8
8
8
7
8
8
8
8
8
8
8
7
7
6
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
53
48
47
46
43
47
53
60
60
63
65
69
72
72
69
68
71
72
75
72
71
69
68

Pressure (mb)

1022
1022
1022
1020
1019
1019
1019
1018
1018
1018
1018
1018
1018
1017
1017
1016
1016
1016
1015
1015
1015
1015
1016
1016

Ozone (du)

301
299
298
298
298
298
297
295
291
288
287
287
287
287
287
287
286
286
286
286
287
288
289
293

Sunday 21

Waxing Crescent 3%

08:54

18:00

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

Sun - Rise: 07:21, Set: 16:42, Transit: 12:01. Moon - Rise: 08:54, Set: 18:00. Civil Dark: 17:12 - 06:50. Nautical Dark: 17:46 - 06:17. Astro Dark: 18:19 - 05:44

Total Clouds (% Sky Obscured)

84
55
26
3
5
11
17
42
68
93
80
72
67
67
67
57
62
58
39
24
20
24
14
9

Low Clouds (% Sky Obscured)

0
0
0
0
5
11
16
34
53
72
56
50
48
53
51
47
40
36
28
24
20
24
14
9

Medium Clouds (% Sky Obscured)

60
40
20
0
0
0
0
12
26
39
59
72
67
67
67
25
20
10
5
0
0
5
10
9

High Clouds (% Sky Obscured)

61
15
2
0
0
0
0
24
48
68
39
20
7
34
63
57
62
58
39
24
20
24
14
9

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
1
1
1
1
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
9
10
11
11
11
11
11
10
10
10
9
9
9
9
9
10
11
12
13
12
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
66
55
46
38
40
41
43
45
50
55
56
56
56
57
58
58
59
60
60
59
57
56
52

Pressure (mb)

1017
1017
1017
1016
1015
1015
1016
1016
1017
1018
1018
1019
1020
1020
1021
1021
1021
1022
1023
1024
1025
1026
1027
1028

Ozone (du)

297
300
304
308
311
315
318
321
323
325
327
328
329
330
333
335
338
340
342
344
342
340
338
337

Monday 22

Waxing Crescent 7%

09:31

19:05

09 Good
10 Good
11 Good
12 Good
13 OK
14 Bad
15 Bad
16 Bad
17 OK
18 OK
19 OK
20 OK
21 Good
22 OK
23 Bad
00 Bad

Sun - Rise: 07:21, Set: 16:43, Transit: 12:02. Moon - Rise: 09:31, Set: 19:05. Civil Dark: 17:13 - 06:51. Nautical Dark: 17:47 - 06:17. Astro Dark: 18:20 - 05:44

Total Clouds (% Sky Obscured)

9
7
7
7
28
55
80
61
41
23
21
20
18
40
62
80

Low Clouds (% Sky Obscured)

9
7
7
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

9
7
7
7
14
20
24
15
10
3
3
2
2
16
30
40

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
9
12
14
32
48
65

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
1
1
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

Wind Speed/Direction (mph)

13
14
13
13
13
11
10
8
7
5
4
4
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

46
43
38
33
30
31
33
34
38
42
46
47
48
51
52
53

Pressure (mb)

1029
1030
1030
1030
1030
1031
1031
1031
1032
1032
1033
1033
1032
1032
1032
1032

Ozone (du)

336
335
332
330
327
327
327
327
333
339
344
340
336
331
330
328

Forecast for Pencader, New Castle County, United States of America (39.67,-75.75)

Generated: 16/12/25 09:29:34. Forecast: 16/12/25 to 22/12/25. Timezone: UTC-5.00