Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 5

Waning Gibbous 97%

17:04

09:18

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 OK
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 07:10, Set: 16:35, Transit: 11:53. Moon - Rise: 17:04, Set: 09:18. Civil Dark: 17:06 - 06:39. Nautical Dark: 17:39 - 06:06. Astro Dark: 18:12 - 05:33

Total Clouds (% Sky Obscured)

99
100
97
100
96
95
96
93
97
98
100
99
93
90
77
65
43
55
68
73
84
88
99
99

Low Clouds (% Sky Obscured)

90
88
92
98
91
92
96
93
97
98
100
99
93
90
68
38
23
30
18
18
18
6
5
2

Medium Clouds (% Sky Obscured)

72
60
75
69
29
0
0
0
0
0
0
0
0
0
13
38
43
40
63
72
83
88
98
99

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
0
1
2
2
3
15
16
35
39
50
46
68
39
38

ISS Passover

Visibility (miles)

8
7
7
1
0
1
1
3
3
5
5
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
4
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
25
26
28
30
28
19
16
10
8
5
3
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
84
84
86
89
89
89
87
89
87
89
87
89
87
89
87
84
77
70
64
63
61
63
68

Pressure (mb)

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

Ozone (du)

311
310
308
306
304
301
301
303
303
304
302
302
304
303
302
301
301
301
299
300
300
300
300
303

Saturday 6

Waning Gibbous 92%

18:16

10:09

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

Sun - Rise: 07:11, Set: 16:35, Transit: 11:53. Moon - Rise: 18:16, Set: 10:09. Civil Dark: 17:06 - 06:40. Nautical Dark: 17:39 - 06:06. Astro Dark: 18:12 - 05:34

Total Clouds (% Sky Obscured)

67
89
43
23
15
21
3
3
34
56
51
55
47
16
46
65
95
100
100
100
95
90
82
89

Low Clouds (% Sky Obscured)

0
15
13
17
13
18
3
3
2
2
3
24
3
3
8
12
19
33
26
27
18
35
65
78

Medium Clouds (% Sky Obscured)

60
89
43
3
0
0
0
0
34
56
51
49
3
5
29
65
85
93
100
98
79
85
39
40

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
29
17
22
4
42
12
29
37
75
100
92
94
29
37
5
4

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
78
77
78
77
77
78
77
75
75
78
80
80
80
79
77
70
65
58
56
56
56
59
66

Pressure (mb)

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

Ozone (du)

307
309
308
311
311
310
310
307
308
309
310
309
309
310
310
308
310
310
310
307
308
308
308
308

Sunday 7

Waning Gibbous 84%

19:33

10:49

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

Sun - Rise: 07:11, Set: 16:35, Transit: 11:53. Moon - Rise: 19:33, Set: 10:49. Civil Dark: 17:06 - 06:41. Nautical Dark: 17:40 - 06:07. Astro Dark: 18:12 - 05:34

Total Clouds (% Sky Obscured)

79
65
79
73
59
25
5
35
42
24
31
50
62
70
80
75
75
76
68
76
73
70
70
79

Low Clouds (% Sky Obscured)

49
62
77
73
59
20
1
29
42
24
31
50
0
0
0
0
0
10
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

40
52
50
40
20
1
0
0
0
0
0
0
0
65
65
62
27
28
26
20
14
18
17
26

High Clouds (% Sky Obscured)

1
1
0
0
0
0
0
0
0
0
9
42
62
70
80
75
75
76
58
76
73
69
54
72

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
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-2
-1
-1
-1
-1
0
-1
0
-2
-3
-4
-5
-8
-10
-11
-12
-14
-14
-15
-15
-16
-17
-17
-17

Relative Humidity (%)

72
76
77
82
84
86
86
89
80
76
75
74
67
59
57
53
45
40
37
34
32
29
28
30

Pressure (mb)

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

Ozone (du)

310
313
314
318
319
318
317
318
317
318
318
317
320
321
324
323
322
324
325
326
326
326
327
327

Monday 8

Waning Gibbous 75%

20:48

11:20

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

Sun - Rise: 07:12, Set: 16:35, Transit: 11:54. Moon - Rise: 20:48, Set: 11:20. Civil Dark: 17:06 - 06:42. Nautical Dark: 17:40 - 06:08. Astro Dark: 18:13 - 05:35

Total Clouds (% Sky Obscured)

96
100
100
100
100
100
100
65
67
46
46
51
51
56
56
56
54
62
94
91
42
31
26
25

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
8
17
25
35
44
53
54
56
54
62
62
59
40
21
0
0

Medium Clouds (% Sky Obscured)

96
100
64
100
100
100
100
50
51
34
25
27
23
29
23
17
2
30
73
91
42
31
26
25

High Clouds (% Sky Obscured)

85
100
83
66
49
35
24
1
4
0
0
0
0
0
0
1
3
20
73
25
13
9
6
3

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-17
-18
-18
-18
-19
-18
-18
-18
-19
-19
-19
-19
-20
-19
-19
-19
-19
-18
-17
-16
-14
-13
-11
-9

Relative Humidity (%)

33
32
32
32
31
32
33
32
32
32
32
32
31
31
31
31
29
28
27
29
32
35
39
47

Pressure (mb)

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

Ozone (du)

328
331
332
332
336
339
343
349
349
347
346
344
336
335
337
341
353
361
362
360
361
363
359
358

Tuesday 9

Waning Gibbous 65%

22:00

11:46

17 OK
18 OK
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
16 Bad

Sun - Rise: 07:13, Set: 16:36, Transit: 11:54. Moon - Rise: 22:00, Set: 11:46. Civil Dark: 17:06 - 06:43. Nautical Dark: 17:40 - 06:09. Astro Dark: 18:13 - 05:36

Total Clouds (% Sky Obscured)

40
44
58
72
99
99
100
100
100
100
100
100
100
100
100
100
99
99
99
100
100
100
100
92

Low Clouds (% Sky Obscured)

0
0
14
28
43
53
60
70
71
72
80
84
88
89
84
80
73
46
31
27
43
54
55
67

Medium Clouds (% Sky Obscured)

40
44
57
69
53
49
49
45
55
85
64
63
85
76
77
79
81
87
93
99
99
100
100
92

High Clouds (% Sky Obscured)

3
3
9
15
63
72
88
98
99
99
100
100
100
100
97
94
91
91
91
91
84
77
69
50

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
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
1
1
0
0
0
0
1
3
5
9
13
17
33
45
55
60

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
0.2
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-0
-1
-1
0
1
2
2
3
4
6
7
6
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
60
61
64
70
74
78
81
86
86
84
84
83
77
75
71
66
63
60
57
54
60
68
78

Pressure (mb)

1018
1017
1017
1017
1016
1016
1015
1015
1014
1013
1013
1012
1011
1011
1010
1009
1008
1007
1005
1003
1001
1001
1001
1001

Ozone (du)

356
354
353
353
352
350
346
344
345
345
344
345
343
343
341
346
350
355
352
350
348
348
347
347

Wednesday 10

Waning Gibbous 54%

23:07

12:08

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
16 Bad

Sun - Rise: 07:14, Set: 16:36, Transit: 11:55. Moon - Rise: 23:07, Set: 12:08. Civil Dark: 17:06 - 06:43. Nautical Dark: 17:40 - 06:09. Astro Dark: 18:13 - 05:36

Total Clouds (% Sky Obscured)

82
50
35
27
18
26
33
43
52
60
58
70
78
87
77
68
56
65
71
79
79
82
85
94

Low Clouds (% Sky Obscured)

81
50
35
27
18
26
33
43
42
38
34
31
29
27
33
38
46
57
71
79
77
69
61
58

Medium Clouds (% Sky Obscured)

82
50
35
27
15
10
15
15
16
26
34
54
65
75
61
47
33
22
11
0
0
0
0
20

High Clouds (% Sky Obscured)

26
10
10
10
10
10
33
43
32
25
2
6
12
26
32
33
28
11
5
0
5
6
5
6

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

Very 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
None
None
None
None

Precipitation Probability (%)

63
67
64
57
48
40
32
25
22
15
2
5
6
8
6
4
0
3
5
4
4
2
0
0

Precipitation Amount (mm)

0.3
0.4
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
2
2
1
1
1
0
-1
-2
-3
-3
-4
-4
-5
-5
-5
-6
-6
-7
-9
-10
-10
-10
-10

Relative Humidity (%)

79
82
83
80
79
76
76
74
74
74
73
73
71
67
65
61
57
54
49
44
40
40
42
44

Pressure (mb)

1001
1001
1001
1001
1001
1001
1001
1001
1001
1002
1002
1002
1003
1003
1004
1004
1005
1006
1006
1006
1006
1006
1007
1008

Ozone (du)

344
342
340
336
332
329
327
324
322
322
321
320
324
327
330
328
326
324
320
316
312
306
301
295

Thursday 11

Third Quarter 44%

00:10

12:28

17 Bad
18 Bad
19 Bad
20 OK
21 OK
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: 07:15, Set: 16:36, Transit: 11:55. Moon - Rise: 00:10, Set: 12:28. Civil Dark: 17:06 - 06:44. Nautical Dark: 17:40 - 06:10. Astro Dark: 18:13 - 05:37

Total Clouds (% Sky Obscured)

99
100
72
47
20
44
68
85
89
92
96
97
97
98
98
98
98
96
93
90

Low Clouds (% Sky Obscured)

47
33
20
11
1
18
36
58
59
62
60
66
75
82
77
73
70
48
27
5

Medium Clouds (% Sky Obscured)

40
61
46
34
20
38
50
61
59
58
56
66
77
87
80
73
66
60
54
48

High Clouds (% Sky Obscured)

16
15
3
4
1
3
3
2
3
3
0
0
0
0
3
8
20
30
80
85

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
5
6
8

Fog (%)

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

Precipitation Probability (%)

0
0
0
0
0
1
0
0
2
3
1
2
2
1
24
37
40
38
35
32

Precipitation Amount (mm)

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
6
5
4
4
3
3
3
5
6
8
8
9
9
10
13
16
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-5
-5
-5
-8
-6
-6
-6
-6
-5
-5
-5
-4
-4
-4
-5
-2
-2
-2
-2
-2

Dew Point (°C)

-10
-10
-10
-10
-11
-10
-11
-11
-10
-10
-10
-10
-7
-5
-3
-2
0
1
2
2

Relative Humidity (%)

46
49
51
51
51
52
51
50
50
50
51
51
56
60
63
67
72
75
78
82

Pressure (mb)

1008
1009
1010
1010
1010
1010
1009
1009
1008
1008
1007
1006
1005
1004
1002
1002
1002
1002
1003
1004

Ozone (du)

293
291
289
286
283
281
280
279
278
277
277
277
276
275
274
274
275
275
275
276

Forecast for Washington Park, Montgomery County, United States of America (40.10,-75.38)

Generated: 05/12/25 17:51:41. Forecast: 05/12/25 to 11/12/25. Timezone: UTC-5.00