Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 27

Waxing Gibbous 88%

16:38

04:55

15 OK
16 OK
17 OK
18 Good
19 OK
20 Good
21 Good
22 Good
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

Sun - Rise: 06:42, Set: 20:07, Transit: 13:25. Moon - Rise: 16:38, Set: 04:55. Civil Dark: 20:33 - 06:16. Nautical Dark: 21:05 - 05:45. Astro Dark: 21:37 - 05:12

Total Clouds (% Sky Obscured)

13
9
8
16
15
12
0
5
80
100
100
85
100
95
96
100
100
100
100
100
100
74
100
83

Low Clouds (% Sky Obscured)

13
9
0
0
6
0
0
0
0
0
2
13
20
25
23
37
39
60
52
59
42
45
40
37

Medium Clouds (% Sky Obscured)

13
9
8
16
15
12
0
0
0
0
55
62
73
67
69
62
79
49
43
27
23
8
37
35

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
3
64
100
100
85
100
62
61
100
100
100
99
100
100
45
100
59

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

Precipitation Probability (%)

0
0
0
0
0
2
1
8
4
0
33
7
14
8
8
5
2
1
7
3
4
6
8
10

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
10
10
10
6
5
6
9
10
11
11
12
12
12
13
12
11
12
14
14
14
15
16
16

Chance of Frost

Temperature (°C)

33
33
33
30
30
30
29
28
27
27
26
26
25
25
25
25
24
25
25
26
27
29
31
32

Feels Like (°C)

33
32
32
29
31
31
31
30
29
27
27
26
26
26
25
25
25
25
25
26
27
28
30
31

Dew Point (°C)

12
10
10
6
8
9
14
19
20
21
21
22
22
22
22
21
21
22
22
21
20
19
18
19

Relative Humidity (%)

27
24
24
21
24
27
39
56
65
69
75
79
82
83
80
82
83
83
80
72
65
56
48
46

Pressure (mb)

1006
1006
1005
1006
1006
1007
1007
1008
1009
1008
1009
1009
1009
1009
1009
1009
1010
1010
1011
1011
1011
1010
1009
1008

Ozone (du)

296
296
296
298
298
296
297
297
298
297
297
295
295
293
294
294
293
293
293
293
299
302
301
299

Tuesday 28

Waxing Gibbous 94%

17:36

05:21

15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 OK
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

Sun - Rise: 06:41, Set: 20:08, Transit: 13:25. Moon - Rise: 17:36, Set: 05:21. Civil Dark: 20:34 - 06:15. Nautical Dark: 21:06 - 05:44. Astro Dark: 21:38 - 05:11

Total Clouds (% Sky Obscured)

74
89
80
39
22
26
42
54
56
64
62
77
85
88
98
63
100
100
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

25
44
50
0
0
4
17
25
12
26
22
14
29
22
10
15
20
49
68
83
86
53
12
20

Medium Clouds (% Sky Obscured)

19
0
40
36
22
25
35
45
46
0
14
0
26
9
45
40
82
100
98
100
100
100
100
95

High Clouds (% Sky Obscured)

60
46
23
16
3
4
11
32
17
47
47
71
78
80
86
40
81
81
51
40
30
40
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
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
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

9
11
95
34
9
10
4
9
3
1
3
1
4
4
5
1
1
2
10
9
3
7
4
11

Precipitation Amount (mm)

0
0
2.4
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)

15
14
12
12
5
12
13
16
14
14
13
12
11
10
11
11
11
13
12
12
11
11
10
11

Chance of Frost

Temperature (°C)

33
34
34
32
31
28
27
25
24
22
21
20
19
18
18
18
17
17
17
17
17
18
19
19

Feels Like (°C)

32
33
35
32
35
29
27
24
23
21
20
19
17
17
16
16
16
14
14
14
15
15
17
16

Dew Point (°C)

18
17
18
23
23
22
24
22
19
18
16
15
14
14
14
14
14
13
12
11
11
11
11
10

Relative Humidity (%)

41
36
38
58
63
70
82
79
77
75
76
75
72
75
76
77
79
78
72
67
65
63
59
55

Pressure (mb)

1008
1007
1006
1007
1007
1008
1010
1011
1012
1013
1013
1013
1013
1014
1014
1014
1015
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

298
297
297
300
299
300
299
297
297
298
297
297
297
295
293
292
291
292
292
292
290
292
291
291

Wednesday 29

Waxing Gibbous 98%

18:34

05:48

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
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 06:40, Set: 20:09, Transit: 13:25. Moon - Rise: 18:34, Set: 05:48. Civil Dark: 20:35 - 06:14. Nautical Dark: 21:06 - 05:42. Astro Dark: 21:39 - 05:09

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
86
97
94
96
95
78
92
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

11
13
10
11
16
11
9
7
11
12
12
10
10
64
98
98
97
96
98
96
96
100
100
100

Medium Clouds (% Sky Obscured)

85
59
59
48
39
14
0
0
0
19
52
61
68
83
95
98
100
88
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
68
95
81
81
76
21
86
100
100
94
100
100
100
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
9
9
8
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
Light Rain
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

1
0
0
0
0
0
0
0
0
0
0
0
0
2
40
88
77
53
36
82
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0
0
0
0.6
1.3
1.4
0.7
0.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
20
21
21
21
20
20
20
19
19
19
19
18
18
18
18
18
18
18
18
18
18
18
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
58
61
65
70
72
76
78
81
82
84
88
90
93
92
88
89
86
82
81
82
86
85
85

Pressure (mb)

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

Ozone (du)

291
290
291
291
292
294
292
291
292
293
292
291
292
292
292
296
296
295
292
292
292
292
291
290

Thursday 30

Waxing Gibbous 100%

19:33

06:17

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
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 06:39, Set: 20:10, Transit: 13:25. Moon - Rise: 19:33, Set: 06:17. Civil Dark: 20:36 - 06:13. Nautical Dark: 21:07 - 05:41. Astro Dark: 21:40 - 05:08

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)

100
100
100
100
100
100
100
99
98
93
93
95
93
96
98
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

100
100
100
100
99
100
100
100
100
100
100
100
100
72
40
15
15
19
15
27
44
56
73
87

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
77
57
30
30
1
2
0
30
0
0
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
95
95
95
95
84
91
95
95
95
95
95
95
95
95
95
95
95
93
86
95
95
95
95

Precipitation Amount (mm)

1.1
1.2
1.4
1.7
0
0
0.5
1.1
2.1
2.5
4.1
9.2
14.7
6.1
8.6
12.5
1.9
1.5
0.5
0.4
1.6
1.9
1.3
6.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
16
16
15
15
14
14
14
13
12
12
10
10
8
9
10
9
10
10
10
10
10
10
11

Dew Point (°C)

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

Relative Humidity (%)

89
89
90
90
92
92
92
93
93
93
93
95
96
96
98
98
98
95
96
96
95
96
96
95

Pressure (mb)

1012
1011
1010
1010
1009
1009
1009
1009
1009
1008
1008
1006
1005
1004
1005
1005
1005
1005
1005
1005
1005
1005
1005
1006

Ozone (du)

290
290
291
292
293
294
297
298
301
301
303
304
308
309
309
307
313
315
317
319
317
319
322
322

Friday 1

Full Moon 100%

20:32

06:50

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 OK
07 OK
08 Good
09 Good
10 OK
11 OK
12 OK
13 OK
14 Bad

Sun - Rise: 06:38, Set: 20:10, Transit: 13:25. Moon - Rise: 20:32, Set: 06:50. Civil Dark: 20:37 - 06:12. Nautical Dark: 21:08 - 05:40. Astro Dark: 21:41 - 05:07

Total Clouds (% Sky Obscured)

100
98
97
99
100
100
100
100
99
99
99
100
100
67
33
5
5
5
10
17
17
24
34
45

Low Clouds (% Sky Obscured)

100
98
97
99
100
100
100
93
86
79
70
60
51
34
17
0
0
0
0
8
16
24
34
45

Medium Clouds (% Sky Obscured)

90
64
60
50
39
33
32
36
37
46
88
100
100
67
27
2
2
3
4
3
2
1
2
4

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
1

ISS Passover

Visibility (miles)

3
9
9
9
9
9
9
9
9
9
9
4
4
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
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
24
13
15
18
31
30
27
36
48
76
95
83
55
31
14
12
8
2
4
3
1
1
1

Precipitation Amount (mm)

0.3
0
0
0
0
0
0
0
0
0
0.5
0.8
0.4
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

18
19
20
19
19
17
16
15
16
16
16
15
14
14
13
11
12
12
12
12
13
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
8
8
9
8
7
8
7
6
6
6
6
7
7
7
7
7
8
8
8
9
9
9
15

Dew Point (°C)

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

Relative Humidity (%)

96
92
82
80
81
83
84
84
85
84
87
90
93
93
91
93
91
86
81
76
66
57
49
47

Pressure (mb)

1007
1007
1007
1009
1010
1012
1013
1015
1015
1016
1017
1017
1017
1018
1018
1019
1020
1021
1022
1022
1022
1022
1022
1022

Ozone (du)

323
331
330
328
327
329
330
331
330
330
332
336
343
340
340
340
340
342
343
344
347
349
351
354

Saturday 2

Waning Gibbous 98%

21:31

07:28

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

Sun - Rise: 06:37, Set: 20:11, Transit: 13:25. Moon - Rise: 21:31, Set: 07:28. Civil Dark: 20:37 - 06:11. Nautical Dark: 21:09 - 05:39. Astro Dark: 21:42 - 05:06

Total Clouds (% Sky Obscured)

55
46
37
29
20
11
4
22
30
42
25
18
3
17
34
48
45
40
18
12
6
2
16
30

Low Clouds (% Sky Obscured)

55
43
33
24
16
8
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
2
9
9

Medium Clouds (% Sky Obscured)

5
10
14
19
15
10
4
10
15
21
14
6
0
3
5
8
7
4
2
0
0
0
0
0

High Clouds (% Sky Obscured)

1
1
1
1
1
1
1
12
19
28
21
14
3
4
2
0
0
0
0
0
0
0
3
7

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)

13
13
12
11
10
8
7
5
5
5
4
4
4
3
3
2
2
2
2
3
3
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
14
15
15
15
14
14
15
15
14
14
11
11
12
12
11
11
13
13
14
15
15
16
23

Dew Point (°C)

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

Relative Humidity (%)

46
44
48
51
56
59
63
68
68
69
70
70
70
71
72
71
72
65
59
54
48
44
39
37

Pressure (mb)

1021
1021
1021
1021
1021
1022
1022
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1025
1025
1025
1025
1024
1024
1023

Ozone (du)

357
360
357
355
353
353
352
352
355
358
361
361
362
363
362
361
360
357
353
349
347
344
342
342

Sunday 3

Waning Gibbous 94%

22:29

08:12

15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 OK
21 Good
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: 06:36, Set: 20:12, Transit: 13:24. Moon - Rise: 22:29, Set: 08:12. Civil Dark: 20:38 - 06:10. Nautical Dark: 21:10 - 05:38. Astro Dark: 21:43 - 05:04

Total Clouds (% Sky Obscured)

50
67
85
97
70
46
18
40
68
100
100
100
100
100
100
99
97
93
88
80
72
66

Low Clouds (% Sky Obscured)

2
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

10
11
7
0
0
0
0
0
0
0
0
0
0
0
0
1
9
12
11
16
8
6

High Clouds (% Sky Obscured)

10
38
66
95
70
44
11
36
68
100
100
100
100
99
99
98
95
89
82
69
56
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
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

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

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

Wind Speed/Direction (mph)

4
4
4
4
5
5
5
6
6
6
6
7
7
7
7
8
8
9
10
10
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

22
21
22
22
22
20
20
19
18
18
18
15
14
14
14
14
14
13
13
13
14
14

Dew Point (°C)

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

Relative Humidity (%)

35
33
36
40
44
47
51
55
57
60
62
63
64
65
66
67
67
62
56
52
48
45

Pressure (mb)

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

Ozone (du)

341
341
340
339
338
337
337
336
336
336
336
337
337
338
337
337
337
337
336
335
333
332

Forecast for Grapevine, Tarrant, United States of America (32.95,-97.07)

Generated: 27/04/26 15:27:29. Forecast: 27/04/26 to 03/05/26. Timezone: UTC-5.00