Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 31

Full Moon 100%

17:43

07:43

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

Sun - Rise: 06:43, Set: 17:04, Transit: 11:53. Moon - Rise: 17:43, Set: 07:43. Civil Dark: 17:30 - 06:17. Nautical Dark: 17:59 - 05:48. Astro Dark: 18:28 - 05:19

Total Clouds (% Sky Obscured)

27
22
20
15
13
17
21
20
19
21
19
15
0
0
0
0
3
5
0
0
0
2
4
2

Low Clouds (% Sky Obscured)

27
22
20
15
12
15
19
18
19
19
17
15
0
0
0
0
2
4
0
0
0
2
4
2

Medium 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

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
1
9
27
40
23
2
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
5
4
4
4
4
4
4
4
4
4
4
4
4
3
4
6
8
9
10
10
9
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
21
21
21
20
20
19
18
18
17
17
17
16
18
22
24
25
24
24
25
24
23
23
23

Dew Point (°C)

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

Relative Humidity (%)

84
86
86
86
86
86
87
87
86
86
83
83
80
68
59
54
52
52
55
59
61
64
77
84

Pressure (mb)

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

Ozone (du)

250
249
247
247
248
247
247
248
249
248
248
247
246
245
245
244
244
243
241
240
239
237
237
238

Monday 1

Waning Gibbous 98%

18:36

08:34

19 Good
20 Good
21 Good
22 OK
23 OK
00 OK
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 Good
15 Good
16 OK
17 Bad
18 OK

Sun - Rise: 06:44, Set: 17:03, Transit: 11:53. Moon - Rise: 18:36, Set: 08:34. Civil Dark: 17:29 - 06:18. Nautical Dark: 17:59 - 05:48. Astro Dark: 18:28 - 05:19

Total Clouds (% Sky Obscured)

0
0
14
23
24
22
0
0
0
0
0
0
0
0
0
3
3
0
3
10
5
47
75
35

Low Clouds (% Sky Obscured)

0
0
14
23
22
20
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
18
24

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
0
2
2
4
42
59
19

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
3
6
19
25
44
76
90
84
51
26
6
0
0
2
1
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)

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

Chance of Frost

Temperature (°C)

20
19
19
18
17
16
16
16
16
16
16
16
16
18
22
25
27
28
29
28
26
25
23
22

Feels Like (°C)

22
22
21
19
19
18
17
17
17
16
16
16
16
18
22
25
27
28
28
27
27
26
23
22

Dew Point (°C)

18
17
16
15
14
13
12
11
9
8
8
7
6
6
7
6
7
9
11
13
13
14
16
15

Relative Humidity (%)

85
86
85
83
82
81
78
69
65
61
57
56
53
46
36
30
28
28
34
39
45
51
63
63

Pressure (mb)

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

Ozone (du)

238
238
240
242
242
242
242
243
243
244
244
244
245
244
243
243
244
245
245
247
247
247
246
245

Tuesday 2

Waning Gibbous 94%

No Rise

09:20

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

Sun - Rise: 06:44, Set: 17:03, Transit: 11:54. Moon - Rise: No Rise, Set: 09:20. Civil Dark: 17:29 - 06:18. Nautical Dark: 17:59 - 05:48. Astro Dark: 18:28 - 05:19

Total Clouds (% Sky Obscured)

39
61
90
77
83
58
60
61
73
94
94
90
93
88
76
87
89
90
82
90
94
100
97
94

Low Clouds (% Sky Obscured)

25
29
35
21
20
26
51
50
55
89
80
87
87
68
63
61
61
51
50
61
60
57
59
68

Medium Clouds (% Sky Obscured)

16
32
23
32
26
2
7
18
13
26
29
37
55
65
42
59
79
80
62
75
58
92
88
80

High Clouds (% Sky Obscured)

12
17
40
28
35
22
6
4
13
31
30
30
49
44
24
23
20
17
3
41
69
100
72
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
8

Fog (%)

0
0
0
5
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
Very Light Rain
Light Rain

Precipitation Probability (%)

1
3
17
7
3
4
27
35
38
46
44
33
17
21
17
15
16
17
19
34
43
45
71
77

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
0.3
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
21
21
21
20
20
19
19
19
19
19
20
20
20
21
22
22
23
22
22
22
21
20
20

Feels Like (°C)

23
21
20
20
20
19
19
20
20
19
19
19
19
19
20
21
21
21
21
21
21
20
21
21

Dew Point (°C)

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

Relative Humidity (%)

59
58
66
79
84
82
82
82
81
78
73
72
75
74
70
68
65
62
61
65
68
71
76
81

Pressure (mb)

1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1021
1021
1021
1020
1019
1018
1018
1017
1017
1017
1017

Ozone (du)

245
245
245
245
245
247
247
248
247
246
246
246
246
246
246
246
246
245
245
246
246
247
247
247

Wednesday 3

Waning Gibbous 88%

19:32

10:01

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: 06:45, Set: 17:03, Transit: 11:54. Moon - Rise: 19:32, Set: 10:01. Civil Dark: 17:29 - 06:18. Nautical Dark: 17:59 - 05:49. Astro Dark: 18:28 - 05:20

Total Clouds (% Sky Obscured)

90
92
85
51
46
36
34
32
34
45
82
84
86
88
89
83
94
96
98
98
97
97
98
98

Low Clouds (% Sky Obscured)

53
48
45
34
35
34
34
32
34
42
79
78
76
67
63
48
47
45
48
44
48
40
40
45

Medium Clouds (% Sky Obscured)

77
80
72
51
46
36
30
20
11
1
12
23
34
43
49
57
89
93
95
94
94
94
96
97

High Clouds (% Sky Obscured)

15
12
3
0
2
3
4
7
9
11
10
8
6
7
7
8
15
13
17
37
53
66
54
35

ISS Passover

Visibility (miles)

7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
2
1
2
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

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

Precipitation Probability (%)

79
86
87
52
87
73
25
42
35
24
46
45
42
36
26
18
27
26
35
90
95
95
95
95

Precipitation Amount (mm)

0.3
0.4
0.3
0
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
2.8
0.6
2.3
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
88
91
90
92
92
90
90
90
92
86
79
77
73
69
63
57
57
60
70
80
93
93
96

Pressure (mb)

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

Ozone (du)

248
250
252
252
252
253
254
255
255
253
253
253
254
254
254
253
253
253
254
254
253
253
253
255

Thursday 4

Waning Gibbous 81%

20:30

10:37

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

Sun - Rise: 06:45, Set: 17:03, Transit: 11:54. Moon - Rise: 20:30, Set: 10:37. Civil Dark: 17:29 - 06:19. Nautical Dark: 17:59 - 05:49. Astro Dark: 18:28 - 05:20

Total Clouds (% Sky Obscured)

99
89
85
69
85
63
55
37
27
15
11
6
0
53
56
59
63
75
83
78
73
67
66
68

Low Clouds (% Sky Obscured)

33
40
45
12
22
19
7
7
12
15
11
6
0
0
0
0
0
0
0
6
14
24
23
25

Medium Clouds (% Sky Obscured)

63
65
48
64
85
34
40
27
15
1
1
0
0
44
47
54
59
60
61
47
32
21
20
20

High Clouds (% Sky Obscured)

30
0
6
9
15
0
0
0
0
0
0
0
0
50
45
35
41
58
70
51
31
8
26
46

ISS Passover

Visibility (miles)

9
9
2
8
9
8
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
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

53
81
95
36
25
21
7
8
8
4
6
5
5
76
76
78
61
44
28
24
19
11
20
27

Precipitation Amount (mm)

0
0.4
0.5
0
0
0
0
0
0
0
0
0
0
0.4
0.5
0.6
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
19
18
18
17
17
16
16
16
15
15
15
15
15
16
16
17
17
18
19
19
19
19
18

Feels Like (°C)

18
18
18
18
18
17
17
17
17
16
16
15
15
15
14
14
14
14
15
16
19
19
18
18

Dew Point (°C)

18
18
17
17
16
16
15
15
14
13
12
12
11
10
9
8
7
6
7
7
9
11
13
13

Relative Humidity (%)

93
93
93
95
95
93
93
93
87
83
79
79
76
72
64
57
50
48
46
45
52
59
68
72

Pressure (mb)

1009
1009
1009
1008
1008
1007
1007
1006
1006
1006
1005
1006
1006
1006
1010
1011
1011
1010
1010
1010
1010
1010
1011
1012

Ozone (du)

257
262
263
266
268
277
283
285
286
286
287
287
286
287
286
284
282
280
278
276
274
272
270
270

Friday 5

Waning Gibbous 73%

21:28

11:10

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

Sun - Rise: 06:45, Set: 17:03, Transit: 11:54. Moon - Rise: 21:28, Set: 11:10. Civil Dark: 17:29 - 06:19. Nautical Dark: 17:59 - 05:50. Astro Dark: 18:28 - 05:21

Total Clouds (% Sky Obscured)

62
52
40
28
22
9
0
0
0
0
0
0
0
0
0
0
6
10
15
17
18
19
29
34

Low Clouds (% Sky Obscured)

27
19
11
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
11
23

Medium Clouds (% Sky Obscured)

19
26
27
26
17
9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1

High Clouds (% Sky Obscured)

62
52
40
28
22
9
0
0
0
0
0
0
0
0
0
0
3
6
13
14
13
19
20
23

ISS Passover

Visibility (miles)

9
9
9
8
8
8
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 (%)

26
26
24
23
24
21
15
20
20
13
12
6
3
9
6
2
3
1
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)

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

Chance of Frost

Temperature (°C)

17
17
16
16
15
15
15
14
14
14
13
14
14
14
16
18
20
21
22
22
21
20
20
19

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
79
82
83
86
86
84
84
83
82
79
78
76
74
65
58
50
48
47
44
51
57
63
64

Pressure (mb)

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

Ozone (du)

269
268
268
268
267
267
267
267
266
266
265
265
265
265
266
266
267
266
266
265
265
265
264
264

Saturday 6

Waning Gibbous 63%

22:26

11:40

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

Sun - Rise: 06:46, Set: 17:03, Transit: 11:54. Moon - Rise: 22:26, Set: 11:40. Civil Dark: 17:29 - 06:20. Nautical Dark: 17:59 - 05:50. Astro Dark: 18:28 - 05:21

Total Clouds (% Sky Obscured)

36
30
26
25
25
17
10
12
14
14
36
58
80
72
63
54
40
24
12

Low Clouds (% Sky Obscured)

32
30
26
25
25
17
10
12
14
14
14
15
15
13
12
10
14
18
12

Medium Clouds (% Sky Obscured)

2
1
1
1
0
0
0
0
1
1
25
49
73
72
63
54
40
24
1

High Clouds (% Sky Obscured)

21
16
7
2
1
1
0
2
3
5
20
33
45
39
31
26
17
9
1

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
1
0
1
1
0
6
5
1
6
2
0
3
1
0
2
1
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
5
5
5
5
5
5
5
6
6
6
6
6
6
5
5
5
4
5

Chance of Frost

Temperature (°C)

18
17
17
17
17
17
16
16
16
15
15
16
16
16
18
20
22
22
23

Feels Like (°C)

19
18
16
16
17
17
17
17
16
15
15
15
15
15
15
15
15
16
17

Dew Point (°C)

12
11
11
10
10
10
10
9
9
9
8
8
8
8
8
8
8
9
11

Relative Humidity (%)

66
67
66
65
64
65
65
65
65
64
62
60
58
57
51
46
42
44
45

Pressure (mb)

1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1019
1019
1019
1020
1020
1019
1019

Ozone (du)

263
263
262
261
260
260
259
259
258
258
258
259
260
261
262
263
265
264
264

Forecast for Durban Central, eThekwini Metropolitan Municipality, South Africa (-29.86,31.02)

Generated: 31/05/26 19:36:07. Forecast: 31/05/26 to 06/06/26. Timezone: UTC+2.00