Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 19

Waxing Crescent 8%

08:05

23:02

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

Sun - Rise: 06:14, Set: 19:44, Transit: 13:00. Moon - Rise: 08:05, Set: 23:02. Civil Dark: 20:13 - 05:46. Nautical Dark: 20:47 - 05:11. Astro Dark: 21:23 - 04:35

Total Clouds (% Sky Obscured)

100
100
100
100
93
68
93
68
70
34
0
0
0
0
0
7
3
21
12
73
76
74
82
61

Low Clouds (% Sky Obscured)

76
82
71
45
66
59
83
45
57
23
0
0
0
0
0
7
3
21
2
34
30
39
49
58

Medium Clouds (% Sky Obscured)

100
100
100
92
86
22
27
42
35
0
0
0
0
0
0
7
2
21
3
41
46
30
32
0

High Clouds (% Sky Obscured)

100
100
100
100
37
25
30
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

4
2
6
6
3
9
7
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
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 (%)

95
95
95
72
52
32
22
19
11
4
0
0
0
0
0
0
0
1
0
1
9
6
3
21

Precipitation Amount (mm)

2.1
1.6
0.9
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
9
10
11
11
10
12
12
11
11
10
8
6
4
3
3
3
3
4
5
5
5
8
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
87
88
88
87
81
64
58
53
51
49
49
50
52
55
57
57
56
55
57
59
58
66
60

Pressure (mb)

1012
1013
1014
1014
1014
1014
1014
1014
1015
1016
1017
1019
1019
1019
1019
1020
1019
1019
1019
1019
1019
1020
1021
1021

Ozone (du)

315
317
318
319
327
334
335
338
347
348
354
353
353
356
359
366
374
379
385
392
397
405
412
414

Monday 20

Waxing Crescent 16%

09:05

00:15

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 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good

Sun - Rise: 06:13, Set: 19:45, Transit: 13:00. Moon - Rise: 09:05, Set: 00:15. Civil Dark: 20:14 - 05:44. Nautical Dark: 20:48 - 05:10. Astro Dark: 21:25 - 04:33

Total Clouds (% Sky Obscured)

91
96
73
76
63
65
83
67
66
63
74
45
18
1
0
0
0
0
0
2
0
0
0
0

Low Clouds (% Sky Obscured)

68
96
66
74
63
65
62
67
66
42
30
2
16
1
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

20
0
0
0
0
0
15
6
0
14
27
27
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
1
0
0
0
0

ISS Passover

Visibility (miles)

4
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 (%)

35
33
9
3
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)

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

Chance of Frost

Temperature (°C)

8
8
8
9
10
10
10
10
9
8
6
6
4
4
3
2
2
2
1
0
0
0
2
4

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
63
54
44
31
27
25
26
30
36
41
49
53
55
57
56
56
55
54
52
52
48
39
31

Pressure (mb)

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

Ozone (du)

416
413
409
411
411
410
407
405
406
407
417
430
437
426
422
417
416
417
416
411
409
407
405
403

Tuesday 21

Waxing Crescent 26%

No Rise

01:17

10 Good
11 Good
12 Good
13 Good
14 Good
15 OK
16 Good
17 OK
18 OK
19 Good
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

Sun - Rise: 06:11, Set: 19:46, Transit: 13:00. Moon - Rise: No Rise, Set: 01:17. Civil Dark: 20:15 - 05:43. Nautical Dark: 20:49 - 05:08. Astro Dark: 21:26 - 04:31

Total Clouds (% Sky Obscured)

2
2
4
5
2
23
14
26
21
13
65
70
85
50
70
70
75
95
97
90
95
88
92
96

Low Clouds (% Sky Obscured)

0
0
0
0
0
1
0
0
0
1
4
10
5
11
2
4
5
15
15
3
15
10
10
10

Medium Clouds (% Sky Obscured)

0
0
0
3
2
20
12
17
21
13
65
51
77
50
65
70
75
95
97
90
95
88
92
96

High Clouds (% Sky Obscured)

1
1
2
2
0
0
0
0
0
0
0
0
0
0
2
1
2
3
19
15
15
15
39
67

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
9
9
9
9
4
4

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
Light Rain
None
None
None
None
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
42
18
4
3
16
48
90
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0
0
0
0
0.2
0.7
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-12
-11
-9
-9
-8
-7
-6
-4
-3
-3
-4
-3
-1
-0
-1
-1
-1
3
3
3
4
5
6
7

Relative Humidity (%)

27
26
26
25
25
26
27
31
34
38
40
43
54
57
58
57
57
78
75
78
81
82
84
90

Pressure (mb)

1030
1030
1029
1028
1027
1026
1025
1024
1024
1024
1024
1024
1024
1024
1023
1022
1022
1021
1020
1020
1019
1019
1018
1018

Ozone (du)

400
401
399
396
395
391
388
389
386
383
378
376
378
375
373
372
375
376
376
377
378
376
377
377

Wednesday 22

Waxing Crescent 37%

10:15

02:06

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

Sun - Rise: 06:10, Set: 19:47, Transit: 12:59. Moon - Rise: 10:15, Set: 02:06. Civil Dark: 20:16 - 05:41. Nautical Dark: 20:51 - 05:07. Astro Dark: 21:27 - 04:29

Total Clouds (% Sky Obscured)

100
100
100
100
95
95
95
87
78
69
22
19
17
27
34
76
64
53
43
30
44
64
36
22

Low Clouds (% Sky Obscured)

5
13
21
29
47
68
90
82
71
65
22
19
17
27
34
71
59
44
27
12
6
0
0
0

Medium Clouds (% Sky Obscured)

100
100
35
45
52
48
40
29
13
6
4
2
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

96
97
97
95
63
32
0
0
0
0
0
0
0
1
2
1
2
2
2
18
28
41
30
16

ISS Passover

Visibility (miles)

6
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 (%)

47
32
28
36
44
51
51
40
29
10
7
5
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
6
6
7
6
6
5
4
3
3
3
3
3
4
4
3
4
4
4
4
4
4
5

Chance of Frost

Temperature (°C)

10
11
11
11
13
15
16
16
15
15
14
13
12
11
11
11
12
11
11
11
10
10
12
14

Feels Like (°C)

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

Dew Point (°C)

9
10
10
10
11
11
11
10
10
10
9
10
10
9
9
8
8
8
8
8
8
9
8
9

Relative Humidity (%)

93
93
95
92
84
76
73
69
72
74
71
82
84
83
84
84
79
79
83
84
91
90
80
71

Pressure (mb)

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

Ozone (du)

377
376
371
369
367
368
367
365
364
361
359
359
360
359
359
357
357
356
357
357
357
357
357
357

Thursday 23

First Quarter 49%

11:29

02:45

10 Good
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
09 Bad

Sun - Rise: 06:09, Set: 19:48, Transit: 12:59. Moon - Rise: 11:29, Set: 02:45. Civil Dark: 20:17 - 05:40. Nautical Dark: 20:52 - 05:05. Astro Dark: 21:29 - 04:28

Total Clouds (% Sky Obscured)

10
64
70
85
82
80
49
83
89
90
96
72
97
74
98
98
93
90
87
75
75
46
48
69

Low Clouds (% Sky Obscured)

0
0
0
0
12
24
36
24
11
0
2
3
5
17
32
45
2
3
5
4
2
0
16
33

Medium Clouds (% Sky Obscured)

0
5
10
16
22
30
24
30
37
40
50
50
60
60
53
51
17
30
30
50
50
46
34
18

High Clouds (% Sky Obscured)

10
64
70
70
69
73
12
62
68
49
50
31
69
44
75
80
85
79
72
43
20
1
1
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
4
5
5
5
4
1
14
19
20
19
16
8
9
21

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
7
7
7
8
8
8
7
5
4
3
2
3
5
5
5
4
2
2
2
3
3
4
5

Chance of Frost

Temperature (°C)

16
17
18
19
21
21
22
22
21
19
18
17
16
15
14
13
13
12
11
11
11
12
12
13

Feels Like (°C)

16
16
16
17
19
19
19
21
20
19
17
15
15
14
13
11
11
11
11
10
10
10
9
13

Dew Point (°C)

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

Relative Humidity (%)

58
46
41
36
35
35
36
37
39
49
56
61
62
64
66
69
70
71
72
71
68
67
64
62

Pressure (mb)

1017
1017
1017
1016
1016
1015
1014
1014
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013

Ozone (du)

357
357
359
357
358
359
359
359
359
359
358
359
359
359
359
359
361
362
362
363
363
363
363
363

Friday 24

Waxing Gibbous 60%

12:43

03:16

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
09 Bad

Sun - Rise: 06:07, Set: 19:49, Transit: 12:59. Moon - Rise: 12:43, Set: 03:16. Civil Dark: 20:18 - 05:38. Nautical Dark: 20:53 - 05:03. Astro Dark: 21:30 - 04:26

Total Clouds (% Sky Obscured)

99
89
81
81
72
73
86
90
99
96
100
98
97
87
78
76
81
92
96
97
98
99
97
95

Low Clouds (% Sky Obscured)

55
51
37
23
18
8
5
2
1
0
5
10
15
12
7
2
7
11
15
29
54
95
95
95

Medium Clouds (% Sky Obscured)

39
41
51
62
66
73
86
89
97
96
100
98
97
54
26
9
35
64
93
95
96
98
97
95

High Clouds (% Sky Obscured)

0
0
0
0
25
50
83
89
94
96
67
33
13
36
60
76
81
80
76
84
92
95
72
49

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
3
3

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
Light Rain
Light Rain

Precipitation Probability (%)

7
7
5
0
2
3
3
12
19
24
39
47
52
47
37
5
10
12
9
22
31
41
65
92

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
0.4
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
12
12
11
11
16
16
15
16
17
17
14
15
15
15
15
16
12
11
11
11
11
11
7

Dew Point (°C)

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

Relative Humidity (%)

61
58
55
54
52
51
51
52
55
58
62
61
61
60
64
68
72
71
70
69
72
77
84
85

Pressure (mb)

1013
1013
1012
1012
1011
1010
1010
1009
1009
1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1012
1012
1013
1013
1013

Ozone (du)

363
363
364
365
365
365
364
364
364
363
363
363
362
362
361
360
360
360
360
360
360
360
360
360

Saturday 25

Waxing Gibbous 71%

13:54

03:42

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

Sun - Rise: 06:06, Set: 19:50, Transit: 12:59. Moon - Rise: 13:54, Set: 03:42. Civil Dark: 20:19 - 05:37. Nautical Dark: 20:54 - 05:02. Astro Dark: 21:32 - 04:24

Total Clouds (% Sky Obscured)

93
88
83
78
82
91
100
93
90
85
90
90
85
85
85
75
76
78
79
83
95
98

Low Clouds (% Sky Obscured)

93
88
83
78
82
60
60
60
60
75
65
60
40
40
30
35
37
44
46
59
70
87

Medium Clouds (% Sky Obscured)

93
79
68
57
57
57
60
54
55
52
39
23
7
5
2
0
0
1
3
23
41
54

High Clouds (% Sky Obscured)

28
12
12
10
40
70
100
67
34
7
5
5
1
1
1
1
3
5
12
17
5
15

ISS Passover

Visibility (miles)

2
2
4
7
9
7
6
4
5
7
9
9
9
9
9
9
8
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

Precipitation Type

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
92
74
75
71
62
49
43
38
33
32
33
35
33
30
25
22
18
14

Precipitation Amount (mm)

1
1.2
1.2
1.1
0.6
0.3
0.4
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
8
8
8
8
8
8
9
8
8
8
8
8
8
7
7
7
7
7
7
7
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
93
93
93
91
93
93
95
95
95
95
95
94
96
94
94
94
94
93
94
93
91

Pressure (mb)

1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014

Ozone (du)

360
359
360
361
361
361
361
360
361
361
362
360
358
357
355
354
353
353
353
353
354
355

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

Generated: 19/04/26 10:07:21. Forecast: 19/04/26 to 25/04/26. Timezone: UTC-4.00