Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 12

Waning Crescent 28%

04:26

14:23

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

Sun - Rise: 06:24, Set: 19:37, Transit: 13:02. Moon - Rise: 04:26, Set: 14:23. Civil Dark: 20:05 - 05:57. Nautical Dark: 20:38 - 05:23. Astro Dark: 21:13 - 04:48

Total Clouds (% Sky Obscured)

21
20
15
23
15
15
50
58
33
37
25
39
47
57
65
100
91
78
89
90
89
83
87
100

Low Clouds (% Sky Obscured)

0
0
0
8
0
0
0
0
0
0
0
0
0
0
0
2
24
37
43
48
51
54
49
49

Medium Clouds (% Sky Obscured)

9
8
4
3
12
5
50
20
33
28
2
9
47
15
41
54
36
29
16
86
58
63
52
70

High Clouds (% Sky Obscured)

7
5
1
1
2
9
4
43
20
32
25
39
36
35
36
100
77
40
63
62
64
11
45
97

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)

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

Chance of Frost

Temperature (°C)

10
11
13
15
16
18
18
17
17
16
14
13
12
11
11
11
11
11
11
11
12
12
12
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

46
41
38
38
39
38
39
42
47
50
56
59
63
65
67
71
72
75
79
83
87
92
93
92

Pressure (mb)

1033
1033
1033
1032
1031
1030
1029
1028
1027
1027
1027
1027
1027
1027
1026
1026
1025
1024
1023
1023
1022
1022
1022
1022

Ozone (du)

337
337
335
333
331
331
328
326
323
323
321
320
320
314
311
312
312
310
308
304
304
308
309
307

Monday 13

Waning Crescent 19%

04:50

15:30

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 OK
01 OK
02 OK
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 06:23, Set: 19:38, Transit: 13:01. Moon - Rise: 04:50, Set: 15:30. Civil Dark: 20:06 - 05:55. Nautical Dark: 20:40 - 05:21. Astro Dark: 21:15 - 04:46

Total Clouds (% Sky Obscured)

97
97
94
100
100
100
100
100
100
100
97
90
41
48
43
44
28
17
54
100
100
100
100
100

Low Clouds (% Sky Obscured)

36
15
2
23
62
46
50
50
19
27
35
28
21
13
8
30
27
17
0
0
12
0
0
6

Medium Clouds (% Sky Obscured)

96
97
83
100
100
100
98
100
99
85
38
12
7
16
13
4
0
3
0
2
17
0
0
0

High Clouds (% Sky Obscured)

34
34
36
100
100
100
91
100
50
100
97
85
1
1
1
2
10
3
51
100
100
100
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
3
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
Light Rain
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
6
26
17
25
51
30
24
13
6
2
0
0
0
1
10
27
51
37
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.6
0
0
0
0
0
0
0
0
0
0
0
0.5
0.3
0
0
0

Wind Speed/Direction (mph)

11
12
12
13
12
11
9
9
11
11
11
8
7
6
5
5
5
5
4
5
5
3
4
4

Chance of Frost

Temperature (°C)

16
18
19
21
21
21
21
21
21
21
20
19
18
17
17
16
16
16
15
15
14
14
15
16

Feels Like (°C)

13
15
17
18
19
18
19
20
19
19
19
19
18
18
18
17
16
16
16
16
14
14
15
16

Dew Point (°C)

13
13
14
13
13
14
14
14
13
13
14
15
15
14
14
14
13
13
13
13
13
13
13
14

Relative Humidity (%)

83
73
69
58
58
64
66
66
59
61
68
76
81
82
82
85
81
83
86
90
95
95
92
86

Pressure (mb)

1021
1021
1020
1020
1019
1019
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1019
1019

Ozone (du)

302
301
300
299
299
298
300
301
303
304
301
300
300
297
297
296
295
294
292
291
292
293
293
295

Tuesday 14

Waning Crescent 11%

05:13

16:39

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 OK
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 06:21, Set: 19:39, Transit: 13:01. Moon - Rise: 05:13, Set: 16:39. Civil Dark: 20:07 - 05:53. Nautical Dark: 20:41 - 05:20. Astro Dark: 21:16 - 04:44

Total Clouds (% Sky Obscured)

94
100
100
97
100
97
73
99
100
51
56
96
48
81
99
100
100
83
67
47
57
71
100
75

Low Clouds (% Sky Obscured)

11
39
34
47
40
29
25
17
0
0
0
5
11
18
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
37
11
39
78
70
40
99
59
18
6
10
10
12
23
70
57
61
67
16
46
15
58
26

High Clouds (% Sky Obscured)

93
100
100
95
100
89
40
99
96
23
43
92
33
62
99
98
100
73
47
25
39
68
100
73

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
7
2
1
23
24
0
0
0
1
1
2
3
2
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
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
21
23
24
26
26
26
27
27
26
25
22
22
21
20
19
19
18
18
18
17
18
18
19

Feels Like (°C)

18
20
22
23
24
24
24
25
25
25
24
22
21
21
19
19
19
19
19
18
18
18
20
19

Dew Point (°C)

15
15
14
15
14
14
14
15
15
15
15
14
14
14
14
15
15
15
15
15
15
15
16
16

Relative Humidity (%)

80
68
59
54
49
46
46
47
49
49
53
59
62
66
71
76
77
83
83
85
86
86
86
81

Pressure (mb)

1019
1019
1018
1018
1017
1016
1015
1015
1014
1014
1014
1014
1015
1015
1015
1015
1014
1014
1014
1015
1015
1015
1015
1015

Ozone (du)

294
294
293
292
289
288
289
288
288
290
291
290
290
290
289
290
291
293
293
293
292
293
294
294

Wednesday 15

Waning Crescent 5%

05:37

17:50

09 OK
10 Good
11 OK
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: 06:20, Set: 19:40, Transit: 13:01. Moon - Rise: 05:37, Set: 17:50. Civil Dark: 20:08 - 05:52. Nautical Dark: 20:42 - 05:18. Astro Dark: 21:18 - 04:42

Total Clouds (% Sky Obscured)

40
14
30
47
65
56
48
68
91
90
88
91
96
100
99
98
96
97
97
97
95
90
87
92

Low Clouds (% Sky Obscured)

0
0
9
19
26
27
29
30
23
12
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

9
2
1
2
3
8
12
14
18
17
24
30
42
51
70
76
71
78
91
95
85
76
72
45

High Clouds (% Sky Obscured)

40
13
30
47
65
56
48
58
71
76
69
79
90
100
98
97
95
93
92
93
87
81
74
82

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 (%)

4
0
0
1
0
5
7
8
10
11
6
13
16
17
15
11
1
2
2
1
1
1
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
9
11
11
11
11
11
11
10
8
6
5
5
5
5
4
4
4
4
3
3
3
3
3

Chance of Frost

Temperature (°C)

22
24
27
28
29
29
30
29
29
28
27
25
24
23
22
22
21
21
20
20
19
19
19
20

Feels Like (°C)

21
25
27
28
29
29
29
29
29
28
26
25
24
23
22
22
21
21
20
19
19
19
19
20

Dew Point (°C)

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

Relative Humidity (%)

74
63
56
52
49
46
46
46
48
52
55
59
62
62
61
65
67
67
66
67
69
70
69
65

Pressure (mb)

1015
1015
1015
1015
1014
1014
1014
1013
1013
1013
1014
1014
1014
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014

Ozone (du)

295
295
295
295
293
291
292
291
290
291
291
289
289
289
287
288
288
290
292
292
292
293
295
296

Thursday 16

Waning Crescent 1%

06:04

19:04

09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
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

Sun - Rise: 06:19, Set: 19:41, Transit: 13:01. Moon - Rise: 06:04, Set: 19:04. Civil Dark: 20:09 - 05:50. Nautical Dark: 20:43 - 05:16. Astro Dark: 21:19 - 04:40

Total Clouds (% Sky Obscured)

95
96
100
100
100
91
100
100
93
30
21
47
72
100
100
100
100
100
100
100
100
100
100
96

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
3
24
45
55
35
13
4
2
1
0
11

Medium Clouds (% Sky Obscured)

23
0
0
0
0
0
0
0
16
30
21
47
64
67
78
89
100
100
100
100
80
60
40
31

High Clouds (% Sky Obscured)

86
91
100
100
100
90
100
100
93
30
21
46
72
100
100
100
100
100
100
100
98
96
94
89

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
12
28
25
21
18
10
0
6
6
3
9
8
3
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
0
0
0

Wind Speed/Direction (mph)

4
6
7
8
9
10
11
11
11
9
8
7
7
7
7
7
7
8
7
7
6
7
7
7

Chance of Frost

Temperature (°C)

22
25
27
28
29
29
29
29
29
28
27
25
24
23
22
21
21
21
20
19
19
19
19
19

Feels Like (°C)

22
24
25
26
26
26
27
26
26
26
27
25
24
24
23
22
22
22
19
18
19
19
18
18

Dew Point (°C)

14
14
14
14
13
12
13
14
14
14
14
13
14
15
16
15
14
15
14
14
15
15
14
15

Relative Humidity (%)

58
50
44
42
37
33
36
41
41
43
44
47
53
59
66
65
66
67
69
71
75
75
75
76

Pressure (mb)

1014
1014
1014
1013
1013
1012
1011
1011
1010
1010
1010
1010
1010
1011
1011
1011
1011
1012
1012
1012
1013
1013
1014
1014

Ozone (du)

298
298
298
296
296
296
297
296
296
296
295
297
297
298
299
300
300
301
304
308
312
317
323
329

Friday 17

New Moon 0%

06:36

20:22

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

Sun - Rise: 06:17, Set: 19:42, Transit: 13:00. Moon - Rise: 06:36, Set: 20:22. Civil Dark: 20:10 - 05:49. Nautical Dark: 20:44 - 05:15. Astro Dark: 21:20 - 04:39

Total Clouds (% Sky Obscured)

91
87
57
31
11
22
37
49
44
34
24
24
21
19
18
17
19
25
35
42
62
84
96
100

Low Clouds (% Sky Obscured)

21
30
30
31
11
22
36
37
32
28
24
23
21
19
17
15
12
8
4
0
0
0
0
0

Medium Clouds (% Sky Obscured)

68
63
44
21
0
2
8
23
20
10
0
0
0
0
0
0
0
0
0
0
1
1
2
1

High Clouds (% Sky Obscured)

84
79
53
19
0
0
0
0
0
0
0
1
2
4
6
8
11
15
12
9
11
23
25
24

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 (%)

3
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)

8
9
10
10
10
11
10
9
9
7
6
5
4
3
3
3
3
3
3
3
3
2
1
2

Chance of Frost

Temperature (°C)

20
21
22
23
23
24
24
24
24
22
21
19
19
18
17
16
16
15
15
15
14
15
15
16

Feels Like (°C)

18
18
19
19
20
20
24
23
23
22
22
22
18
18
19
18
19
18
16
16
15
15
15
14

Dew Point (°C)

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

Relative Humidity (%)

67
60
52
48
45
43
43
43
43
48
54
59
62
63
66
66
68
70
72
74
75
73
72
68

Pressure (mb)

1014
1015
1015
1015
1015
1014
1014
1014
1014
1014
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017

Ozone (du)

337
345
353
345
337
329
327
326
324
321
319
317
315
314
313
312
311
309
308
306
305
304
303
302

Saturday 18

Waxing Crescent 3%

07:15

21:42

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

Sun - Rise: 06:16, Set: 19:43, Transit: 13:00. Moon - Rise: 07:15, Set: 21:42. Civil Dark: 20:12 - 05:47. Nautical Dark: 20:46 - 05:13. Astro Dark: 21:22 - 04:37

Total Clouds (% Sky Obscured)

96
97
93
84
77
85
92
100
100
100
100
93
86
79
85
92
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
20
41
61
41
20
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
1
1
1
5
7
10
18
24
25
23
21
19

High Clouds (% Sky Obscured)

36
50
39
27
14
43
71
100
100
100
100
93
86
79
85
87
100

ISS Passover

Visibility (miles)

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

Precipitation Type

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
14
20
23

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
20
22
23
25
26
26
26
27
25
23
22
21
20
19
18
19

Feels Like (°C)

17
17
18
19
20
20
26
25
25
24
25
25
20
19
19
19
19

Dew Point (°C)

10
10
11
11
12
12
13
13
14
14
14
14
14
14
14
13
13

Relative Humidity (%)

61
54
48
46
43
41
43
44
46
51
55
61
65
69
72
71
71

Pressure (mb)

1017
1017
1016
1016
1015
1014
1013
1012
1012
1012
1011
1011
1011
1010
1010
1009
1009

Ozone (du)

302
303
303
302
301
300
299
298
297
297
297
297
297
297
296
295
295

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

Generated: 12/04/26 09:44:12. Forecast: 12/04/26 to 18/04/26. Timezone: UTC-4.00