Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 27

Waxing Gibbous 88%

17:21

04:39

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

Sun - Rise: 06:24, Set: 19:58, Transit: 13:11. Moon - Rise: 17:21, Set: 04:39. Civil Dark: 20:25 - 05:57. Nautical Dark: 20:58 - 05:24. Astro Dark: 21:32 - 04:50

Total Clouds (% Sky Obscured)

16
12
14
7
73
94
63
42
23
27
31
32
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
12
14
0
0
0
0
0
0
0
0
0
0
0
0
0
4
5
40
33
10
27
36
39

Medium Clouds (% Sky Obscured)

0
0
6
7
18
0
23
19
18
23
7
3
11
14
46
100
100
100
96
100
84
66
56
51

High Clouds (% Sky Obscured)

2
3
3
3
49
87
30
39
0
3
31
32
100
100
100
100
100
100
100
100
100
100
100
60

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
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
23
51
13
2
0
3
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
17
15
13
12
11
10
9
8
8
8
8
8
10
13
15
16
16
16
16
16
17
18
17

Feels Like (°C)

19
16
14
12
11
10
8
8
7
7
8
6
5
7
11
12
13
13
14
14
14
15
16
16

Dew Point (°C)

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

Relative Humidity (%)

41
48
55
59
61
66
69
70
70
71
73
71
69
60
54
47
47
47
54
51
51
57
56
64

Pressure (mb)

1022
1022
1023
1024
1024
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1023
1024
1023
1022
1022
1021
1020
1020
1019

Ozone (du)

337
337
337
337
338
337
335
334
332
331
330
328
326
326
325
324
322
321
322
323
320
320
323
324

Tuesday 28

Waxing Gibbous 94%

18:21

05:03

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
17 Bad
18 Bad

Sun - Rise: 06:23, Set: 19:59, Transit: 13:11. Moon - Rise: 18:21, Set: 05:03. Civil Dark: 20:26 - 05:56. Nautical Dark: 20:59 - 05:23. Astro Dark: 21:33 - 04:48

Total Clouds (% Sky Obscured)

91
81
87
84
72
66
69
89
100
100
100
100
100
100
100
100
100
100
100
100
99
97
95
88

Low Clouds (% Sky Obscured)

47
48
59
56
19
16
15
8
0
5
5
40
60
67
100
86
82
94
100
100
95
97
90
75

Medium Clouds (% Sky Obscured)

51
40
48
38
43
35
36
36
60
54
78
89
100
93
100
93
100
100
100
97
93
77
47
35

High Clouds (% Sky Obscured)

64
40
6
14
9
9
48
81
100
100
100
70
100
100
100
100
100
100
96
25
46
0
0
9

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
8
3
6
1
0
0
0
0

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
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
1
7
11
79
95
95
95
95
95
95
84
34
12

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.7
1.1
4.2
1.1
0.9
2.1
0.4
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
15
14
14
14
13
13
13
13
13
12
13
13
14
16
16
16
16
16
16
17
18
18
18

Feels Like (°C)

16
16
14
15
14
14
14
13
12
12
11
11
12
14
15
16
15
16
16
16
17
17
18
20

Dew Point (°C)

11
12
12
12
11
11
11
11
10
10
9
9
10
10
12
14
15
16
16
16
17
17
17
18

Relative Humidity (%)

69
79
84
86
84
86
86
84
80
81
80
79
79
78
78
87
93
96
96
96
98
98
96
98

Pressure (mb)

1019
1019
1019
1019
1019
1018
1018
1018
1017
1016
1016
1015
1015
1015
1014
1014
1013
1012
1011
1010
1009
1008
1007
1008

Ozone (du)

324
323
325
327
323
322
323
323
323
321
318
319
318
316
316
315
314
317
320
316
317
317
317
320

Wednesday 29

Waxing Gibbous 98%

No Rise

05:29

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

Sun - Rise: 06:22, Set: 20:00, Transit: 13:11. Moon - Rise: No Rise, Set: 05:29. Civil Dark: 20:27 - 05:54. Nautical Dark: 21:00 - 05:22. Astro Dark: 21:34 - 04:47

Total Clouds (% Sky Obscured)

100
75
72
84
72
51
40
100
32
97
98
90
98
1
31
32
85
85
91
91
95
96
77
58

Low Clouds (% Sky Obscured)

55
54
59
72
56
21
4
0
0
0
0
0
0
0
10
10
11
27
6
4
2
0
0
0

Medium Clouds (% Sky Obscured)

0
0
1
11
13
10
20
20
20
20
20
44
34
1
14
0
0
0
0
10
24
36
36
32

High Clouds (% Sky Obscured)

99
38
27
35
30
35
35
100
32
97
98
83
72
1
2
20
80
75
85
85
85
85
60
38

ISS Passover

Visibility (miles)

0
2
9
6
1
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 (%)

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

Chance of Frost

Temperature (°C)

18
18
17
17
16
17
16
15
14
14
13
13
12
14
15
17
18
19
20
21
21
21
21
20

Feels Like (°C)

20
19
18
17
17
17
15
14
13
12
11
11
11
12
14
15
17
18
18
18
18
18
18
17

Dew Point (°C)

18
18
17
16
16
16
15
14
13
12
11
11
11
11
10
9
6
4
3
2
2
1
1
1

Relative Humidity (%)

98
100
98
98
100
98
96
93
89
87
89
89
89
84
72
59
45
37
31
29
28
26
25
29

Pressure (mb)

1008
1008
1008
1009
1009
1008
1009
1009
1009
1009
1010
1010
1011
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011

Ozone (du)

322
325
327
327
329
335
336
346
351
359
364
366
368
370
370
373
378
381
380
375
374
372
369
364

Thursday 30

Waxing Gibbous 100%

19:21

05:56

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

Sun - Rise: 06:21, Set: 20:01, Transit: 13:11. Moon - Rise: 19:21, Set: 05:56. Civil Dark: 20:28 - 05:53. Nautical Dark: 21:01 - 05:20. Astro Dark: 21:36 - 04:45

Total Clouds (% Sky Obscured)

40
38
30
20
17
13
10
23
37
50
65
81
100
100
99
100
98
97
95
97
99
100
100
100

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
0
23
45

Medium Clouds (% Sky Obscured)

21
15
16
12
10
9
8
16
25
26
33
9
63
55
80
100
49
86
63
97
97
100
100
100

High Clouds (% Sky Obscured)

12
17
11
0
0
0
0
0
0
0
29
56
94
97
82
93
75
53
34
56
76
100
96
91

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
6

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
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
4
6
12
18
26
54
75

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
0.4

Wind Speed/Direction (mph)

9
7
6
7
7
6
5
5
4
4
4
4
3
3
3
3
2
3
3
3
4
4
5
6

Chance of Frost

Temperature (°C)

19
17
16
14
12
11
11
10
10
9
9
10
11
12
13
15
16
17
18
19
18
18
17
15

Feels Like (°C)

16
16
12
11
10
9
9
9
8
8
8
9
10
9
11
12
15
15
15
16
16
15
14
12

Dew Point (°C)

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

Relative Humidity (%)

33
41
43
42
43
44
49
51
54
55
57
57
56
49
41
36
32
29
27
27
28
29
36
60

Pressure (mb)

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

Ozone (du)

360
357
356
356
355
352
350
346
347
347
345
345
347
350
351
351
351
350
348
349
348
344
341
336

Friday 1

Full Moon 100%

20:22

06:28

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
17 Bad
18 Bad

Sun - Rise: 06:20, Set: 20:01, Transit: 13:11. Moon - Rise: 20:22, Set: 06:28. Civil Dark: 20:29 - 05:52. Nautical Dark: 21:02 - 05:19. Astro Dark: 21:37 - 04:44

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

68
72
78
82
84
87
89
91
93
95
97
98
100
99
98
95
97
98
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

100
100
100
99
100
100
95
93
100
100
99
98
97
98
100
100
86
71
57
49
42
34
29
23

High Clouds (% Sky Obscured)

85
91
93
100
80
82
100
88
100
100
100
100
100
82
67
55
80
75
65
25
15
15
15
15

ISS Passover

Visibility (miles)

5
4
9
4
4
2
3
2
1
0
0
0
0
0
0
0
0
3
6
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

88
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
57
49
39
27
33
38

Precipitation Amount (mm)

0.6
0.8
1
1.3
1.6
2
1.5
1.7
2.4
2.7
2.5
2
2.4
2.7
1.9
1.6
1.2
0.7
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
12
12
12
12
11
11
12
12
11
12
12
12
12
12
12
13
13
13
13
12
12
12
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
87
90
93
93
95
98
98
98
98
96
98
98
98
100
100
98
98
96
93
95
95
95
93

Pressure (mb)

1015
1015
1015
1014
1014
1012
1012
1011
1010
1009
1008
1008
1007
1007
1007
1007
1006
1006
1006
1006
1006
1006
1006
1007

Ozone (du)

335
333
333
331
331
329
327
325
327
328
327
327
326
326
325
325
324
324
323
323
322
321
320
320

Saturday 2

Waning Gibbous 98%

21:23

07:04

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

Sun - Rise: 06:19, Set: 20:02, Transit: 13:11. Moon - Rise: 21:23, Set: 07:04. Civil Dark: 20:30 - 05:51. Nautical Dark: 21:03 - 05:18. Astro Dark: 21:38 - 04:42

Total Clouds (% Sky Obscured)

100
100
100
100
99
99
98
97
95
93
82
71
61
40
20
0
12
22
35
37
33
28
35
42

Low Clouds (% Sky Obscured)

100
100
100
100
91
81
72
75
78
81
75
68
61
40
20
0
12
22
35
28
14
0
0
0

Medium Clouds (% Sky Obscured)

18
16
49
87
90
93
91
87
86
81
49
24
0
0
0
0
0
0
0
8
18
27
35
40

High Clouds (% Sky Obscured)

20
30
30
15
7
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

8
7
8
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 (%)

40
36
29
19
23
27
31
23
15
6
5
3
1
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)

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

Chance of Frost

Temperature (°C)

11
10
9
9
8
8
8
8
8
8
8
8
8
8
10
11
13
14
15
16
17
17
18
17

Feels Like (°C)

11
11
7
7
6
6
6
5
6
6
7
7
7
6
7
7
7
7
8
9
15
15
15
16

Dew Point (°C)

10
9
8
7
7
7
7
7
6
5
5
4
4
3
2
2
1
0
-1
-1
-1
-0
0
1

Relative Humidity (%)

93
93
91
90
90
91
91
91
88
85
82
77
73
68
59
51
43
38
34
30
30
30
30
35

Pressure (mb)

1008
1008
1009
1010
1011
1011
1011
1012
1012
1013
1013
1014
1014
1015
1015
1016
1016
1016
1015
1015
1014
1014
1014
1014

Ozone (du)

319
318
318
317
317
317
316
316
318
321
324
327
330
334
336
337
339
340
341
342
343
343
344
345

Sunday 3

Waning Gibbous 94%

22:22

07:46

19 OK
20 OK
21 Good
22 Good
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 OK
12 OK
13 Bad

Sun - Rise: 06:18, Set: 20:03, Transit: 13:11. Moon - Rise: 22:22, Set: 07:46. Civil Dark: 20:31 - 05:50. Nautical Dark: 21:04 - 05:17. Astro Dark: 21:39 - 04:41

Total Clouds (% Sky Obscured)

48
31
14
0
1
2
3
2
1
0
0
0
0
0
0
0
20
40
52

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

46
23
11
0
1
1
2
1
1
0
0
0
0
0
0
0
18
38
52

High Clouds (% Sky Obscured)

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

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
15
13
11
10
9
9
9
8
8
8
9
10
11
13
16
18
20
21

Feels Like (°C)

16
17
12
12
12
11
12
12
8
8
9
8
8
8
12
12
13
14
15

Dew Point (°C)

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

Relative Humidity (%)

41
48
48
50
51
53
56
59
60
62
63
61
58
57
49
43
37
35
33

Pressure (mb)

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

Ozone (du)

347
349
351
353
355
353
352
350
349
348
347
350
354
357
361
364
368
367
366

Forecast for Raleigh, Wake, United States of America (35.78,-78.64)

Generated: 27/04/26 19:47:20. Forecast: 27/04/26 to 03/05/26. Timezone: UTC-4.00