Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 14

Waning Crescent 5%

05:13

17:50

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

Sun - Rise: 06:22, Set: 19:40, Transit: 13:01. Moon - Rise: 05:13, Set: 17:50. Civil Dark: 20:08 - 05:54. Nautical Dark: 20:41 - 05:20. Astro Dark: 21:17 - 04:45

Total Clouds (% Sky Obscured)

69
64
58
100
47
54
45
47
89
24
29
41
74
94
62
57
78
84
92
81
79
99
75
100

Low Clouds (% Sky Obscured)

5
3
14
9
1
3
3
0
5
3
3
3
0
16
22
17
9
0
0
0
0
0
0
7

Medium Clouds (% Sky Obscured)

39
2
46
39
30
50
31
8
5
24
29
2
2
3
1
0
41
17
17
37
44
19
24
85

High Clouds (% Sky Obscured)

57
64
58
95
38
42
31
42
89
13
22
41
74
94
33
32
37
80
86
67
70
98
58
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
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 (%)

59
22
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
5
26
28

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
4
3
3
3
3
4
4
4
5
7
9
10
12
12
12
12
12
10
9
7
5
4

Chance of Frost

Temperature (°C)

23
21
20
19
19
18
18
18
18
19
22
24
26
28
29
30
31
31
31
30
29
28
25
24

Feels Like (°C)

24
22
22
20
20
19
18
19
20
21
24
26
28
28
28
29
29
30
30
31
31
29
25
26

Dew Point (°C)

20
19
18
17
17
17
16
16
16
16
17
17
17
16
16
16
16
17
17
18
17
17
16
16

Relative Humidity (%)

83
85
86
88
88
89
88
89
88
82
73
63
55
48
45
42
40
42
44
47
49
52
55
59

Pressure (mb)

1014
1014
1013
1013
1013
1014
1014
1014
1015
1015
1015
1015
1015
1014
1014
1013
1012
1012
1012
1012
1013
1013
1013
1014

Ozone (du)

286
286
288
289
289
290
290
288
289
290
289
289
288
285
285
286
288
289
288
291
292
292
291
292

Wednesday 15

Waning Crescent 1%

05:37

19:04

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
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 06:20, Set: 19:41, Transit: 13:00. Moon - Rise: 05:37, Set: 19:04. Civil Dark: 20:09 - 05:52. Nautical Dark: 20:43 - 05:18. Astro Dark: 21:18 - 04:43

Total Clouds (% Sky Obscured)

100
97
91
95
75
85
89
59
99
100
98
93
99
100
100
100
100
100
100
100
95
90
100
98

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
5
9
18
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

29
62
35
91
17
85
64
7
6
0
0
0
0
0
0
0
0
2
9
5
19
30
17
33

High Clouds (% Sky Obscured)

100
95
86
83
45
71
77
56
99
100
98
93
98
99
100
100
100
100
100
100
84
76
100
92

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 (%)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

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

Chance of Frost

Temperature (°C)

24
23
22
21
21
20
20
19
19
20
23
26
28
30
30
31
31
30
30
30
28
26
25
24

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
65
65
66
68
70
71
71
71
65
55
44
37
34
33
33
32
34
35
40
45
50
53
57

Pressure (mb)

1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1013
1012
1012
1011
1010
1010
1009
1009
1009
1009
1009
1009

Ozone (du)

293
293
293
292
292
292
293
292
293
294
295
296
297
297
296
296
296
297
299
299
300
301
299
300

Thursday 16

Waning Crescent 0%

06:05

20:21

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

Sun - Rise: 06:19, Set: 19:42, Transit: 13:00. Moon - Rise: 06:05, Set: 20:21. Civil Dark: 20:10 - 05:51. Nautical Dark: 20:44 - 05:17. Astro Dark: 21:20 - 04:41

Total Clouds (% Sky Obscured)

98
85
100
100
100
100
100
56
58
22
30
38
41
45
45
63
71
62
59
41
29
38
43
65

Low Clouds (% Sky Obscured)

3
4
19
20
20
20
0
4
0
12
30
38
38
39
42
53
59
45
33
6
0
0
0
0

Medium Clouds (% Sky Obscured)

17
35
44
85
94
62
68
24
15
0
0
0
0
0
0
21
19
6
10
11
9
6
2
0

High Clouds (% Sky Obscured)

94
85
100
99
100
100
99
53
58
20
0
0
0
0
0
0
0
0
0
0
0
20
40
65

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
1
11
3
0
3
2
0
0
0
2
19
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
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

23
22
21
21
21
21
20
20
19
20
22
23
24
25
25
25
26
26
25
24
24
22
21
20

Feels Like (°C)

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

Dew Point (°C)

14
13
13
14
15
14
14
14
13
13
14
14
14
14
13
12
11
11
12
12
13
13
13
12

Relative Humidity (%)

55
55
59
65
68
66
66
67
68
65
60
55
52
50
47
43
40
40
45
47
50
55
59
62

Pressure (mb)

1009
1009
1009
1009
1009
1009
1009
1010
1010
1011
1011
1012
1012
1011
1011
1011
1011
1011
1011
1011
1012
1012
1014
1014

Ozone (du)

303
306
309
312
313
315
316
319
323
328
326
324
323
330
330
331
330
334
332
330
330
331
330
328

Friday 17

New Moon 3%

06:37

21:41

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

Sun - Rise: 06:17, Set: 19:43, Transit: 13:00. Moon - Rise: 06:37, Set: 21:41. Civil Dark: 20:11 - 05:49. Nautical Dark: 20:45 - 05:15. Astro Dark: 21:21 - 04:39

Total Clouds (% Sky Obscured)

42
23
1
22
43
48
27
17
31
40
58
11
32
36
66
50
44
19
57
65
77
77
100
77

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
2
4
6
25
5
3
3
3
2
1
1
0
0
0
0
14
30
45

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
2
2
26
57
77
77
95
77

High Clouds (% Sky Obscured)

42
23
0
18
35
48
27
17
4
2
8
2
27
36
66
49
40
19
54
63
73
72
100
43

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

Chance of Frost

Temperature (°C)

18
18
17
16
16
15
15
15
15
15
17
18
20
22
23
24
25
25
25
23
21
18
16
15

Feels Like (°C)

18
17
17
17
16
15
15
16
15
14
15
17
20
21
23
24
25
24
24
21
20
17
15
12

Dew Point (°C)

12
11
11
10
10
11
10
11
11
11
10
10
11
10
10
10
10
10
10
11
11
10
10
9

Relative Humidity (%)

64
64
66
68
70
73
74
78
78
77
66
59
54
48
44
40
39
38
40
48
52
57
65
68

Pressure (mb)

1015
1015
1015
1015
1015
1015
1016
1016
1016
1017
1017
1017
1016
1016
1015
1014
1014
1013
1012
1012
1012
1012
1013
1013

Ozone (du)

328
328
329
330
327
327
327
323
322
323
326
326
321
318
317
318
317
313
311
309
307
306
304
302

Saturday 18

Waxing Crescent 8%

07:16

23:01

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
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 OK

Sun - Rise: 06:16, Set: 19:44, Transit: 13:00. Moon - Rise: 07:16, Set: 23:01. Civil Dark: 20:12 - 05:48. Nautical Dark: 20:46 - 05:13. Astro Dark: 21:22 - 04:37

Total Clouds (% Sky Obscured)

81
84
97
100
100
99
92
100
100
100
100
100
100
100
100
100
100
100
97
96
93
79
61
46

Low Clouds (% Sky Obscured)

44
43
42
47
52
57
68
79
90
73
56
39
35
32
28
35
35
25
19
14
9
21
11
1

Medium Clouds (% Sky Obscured)

81
84
85
86
98
97
80
99
100
100
100
100
100
100
100
90
80
70
76
83
92
62
32
4

High Clouds (% Sky Obscured)

44
37
88
58
46
85
32
34
93
100
100
100
100
72
92
91
96
100
88
75
59
45
13
7

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
7
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
1
1
8
15
20
50
60
61
77
95
86
81
95
66
66
56
45
44
43
38
27
15
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0.4
1.4
0.6
0.5
0.7
0.4
0.3
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
9
9
9
9
9
9
9
9
10
10
12
10
9
8
8
7
7
6
6
6
7
4
2

Relative Humidity (%)

70
71
72
75
72
72
74
75
76
76
79
90
84
80
80
79
78
76
74
76
77
80
70
62

Pressure (mb)

1013
1012
1012
1011
1011
1010
1009
1009
1009
1010
1010
1011
1011
1012
1012
1012
1012
1012
1012
1013
1013
1013
1014
1015

Ozone (du)

301
299
298
295
295
296
296
297
298
300
303
304
306
307
309
312
316
319
322
326
330
334
337
341

Sunday 19

Waxing Crescent 16%

08:06

23:01

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

Sun - Rise: 06:14, Set: 19:45, Transit: 13:00. Moon - Rise: 08:06, Set: 23:01. Civil Dark: 20:13 - 05:46. Nautical Dark: 20:48 - 05:12. Astro Dark: 21:24 - 04:36

Total Clouds (% Sky Obscured)

31
16
1
2
2
1
0
0
0
9
18
28
35
58
74
77
97
97
79
58
37
25
12
0

Low Clouds (% Sky Obscured)

1
1
1
0
0
0
0
0
0
0
0
0
0
5
15
30
40
60
63
55
37
25
12
0

Medium Clouds (% Sky Obscured)

11
5
0
0
0
0
0
0
0
9
18
28
19
2
2
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
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 (%)

0
0
0
0
0
0
0
0
0
4
6
7
10
8
4
3
7
2
2
1
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
8
8
8
8
8
8
8
9
10
11
12
13
13
14
14
14
13
13
11
8
6
5
4

Chance of Frost

Temperature (°C)

9
8
8
7
6
6
5
5
5
5
6
7
7
8
9
9
10
10
10
10
9
9
8
7

Feels Like (°C)

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

Dew Point (°C)

0
-0
-1
-1
-2
-3
-4
-4
-5
-6
-5
-5
-6
-8
-9
-11
-12
-12
-12
-11
-10
-9
-8
-8

Relative Humidity (%)

55
55
56
56
56
54
54
52
49
47
45
42
40
33
27
22
21
20
19
22
25
29
31
33

Pressure (mb)

1016
1016
1017
1018
1018
1019
1020
1020
1021
1022
1023
1023
1023
1023
1023
1022
1022
1022
1022
1023
1023
1024
1025
1026

Ozone (du)

344
353
362
371
379
388
397
402
408
414
417
421
424
420
416
412
408
404
399
395
391
387
385
383

Monday 20

Waxing Crescent 26%

09:06

00:14

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
16 OK
17 OK
18 OK
19 OK

Sun - Rise: 06:13, Set: 19:46, Transit: 12:59. Moon - Rise: 09:06, Set: 00:14. Civil Dark: 20:14 - 05:45. Nautical Dark: 20:49 - 05:10. Astro Dark: 21:25 - 04:34

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
3
5
7
8
8
10
16
25
32
35
42
46

Low Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

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

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
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

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

6
6
5
5
5
4
4
4
5
6
7
9
10
12
13
15
15
16
16
15
14

Feels Like (°C)

5
5
4
5
3
3
3
3
3
3
5
5
6
6
7
7
12
12
12
11
11

Dew Point (°C)

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

Relative Humidity (%)

36
37
38
39
39
41
42
39
37
35
32
29
27
26
26
25
27
28
30
33
38

Pressure (mb)

1027
1027
1028
1028
1028
1029
1029
1030
1030
1030
1030
1030
1030
1029
1028
1027
1026
1025
1024
1024
1024

Ozone (du)

381
381
381
380
378
376
375
373
372
371
370
369
369
372
375
379
380
381
382
383
383

Forecast for Swarthmore, Delaware, United States of America (39.90,-75.35)

Generated: 14/04/26 23:33:12. Forecast: 14/04/26 to 20/04/26. Timezone: UTC-4.00