Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 15

Waning Gibbous 90%

19:02

09:58

11 OK
12 OK
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 OK
03 Bad
04 OK
05 OK
06 Bad
07 OK
08 Bad
09 OK
10 OK

Sun - Rise: 06:34, Set: 17:10, Transit: 11:52. Moon - Rise: 19:02, Set: 09:58. Civil Dark: 17:36 - 06:09. Nautical Dark: 18:04 - 05:40. Astro Dark: 18:33 - 05:11

Total Clouds (% Sky Obscured)

48
41
100
100
100
64
50
63
50
76
87
72
84
100
100
48
60
45
45
49
45
100
41
20

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
12
17
24
23
18
19
19
17
12
9
0
0
0
0
0
0
0

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)

46
41
100
100
100
47
30
35
24
35
63
36
84
100
100
20
35
35
35
45
45
100
37
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
0
0
0
0
0
0
0
0
0
0
0
0
3
5
2
0
2
0
3
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)

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

Chance of Frost

Temperature (°C)

24
25
25
25
24
23
22
21
21
21
20
19
18
18
17
17
16
16
16
15
15
18
21
23

Feels Like (°C)

26
25
26
24
24
24
23
22
22
23
21
20
19
19
18
17
17
16
15
15
15
17
20
23

Dew Point (°C)

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

Relative Humidity (%)

56
58
61
64
68
73
80
82
84
85
84
82
83
83
83
83
83
81
78
75
74
70
64
58

Pressure (mb)

1023
1022
1022
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1022
1022
1022
1022
1022

Ozone (du)

280
279
279
278
277
276
276
275
275
274
274
273
273
274
275
275
275
274
273
274
274
274
271
270

Friday 16

Waning Gibbous 83%

19:58

10:46

11 Bad
12 OK
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 OK
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good
10 Good

Sun - Rise: 06:35, Set: 17:10, Transit: 11:52. Moon - Rise: 19:58, Set: 10:46. Civil Dark: 17:35 - 06:09. Nautical Dark: 18:04 - 05:40. Astro Dark: 18:32 - 05:12

Total Clouds (% Sky Obscured)

100
35
100
100
66
66
68
71
74
99
70
62
67
68
67
37
4
2
1
0
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
21
21
28
29
25
28
26
25
23
22
11
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
15
0
44
3
3
39
6
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
35
100
100
45
40
40
40
40
98
45
35
45
45
45
22
3
2
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
1
1
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

25
24
25
24
23
24
23
22
22
21
21
20
19
18
18
16
17
17
16
15
16
19
23
26

Dew Point (°C)

15
16
17
18
18
18
18
19
18
18
17
16
15
14
14
13
11
10
9
8
8
11
12
13

Relative Humidity (%)

58
60
62
66
69
73
79
85
85
84
82
81
82
78
78
76
72
67
65
62
62
62
54
49

Pressure (mb)

1022
1021
1019
1019
1018
1018
1018
1019
1019
1019
1019
1019
1019
1018
1018
1017
1017
1017
1016
1017
1017
1017
1017
1017

Ozone (du)

269
268
269
268
268
267
266
267
266
265
264
263
263
262
262
262
261
261
261
260
259
257
255
257

Saturday 17

Waning Gibbous 74%

20:58

No Set

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

Sun - Rise: 06:35, Set: 17:09, Transit: 11:52. Moon - Rise: 20:58, Set: No Set. Civil Dark: 17:34 - 06:10. Nautical Dark: 18:04 - 05:41. Astro Dark: 18:32 - 05:12

Total Clouds (% Sky Obscured)

0
0
0
0
0
3
0
0
7
42
42
2
2
55
10
28
22
11
63
31
95
79
63
41

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
0
0

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
2
0
0
4
32
32
1
2
54
10
24
18
11
57
25
93
70
43
20

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)

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

Chance of Frost

Temperature (°C)

25
26
26
26
26
25
23
22
21
20
20
19
19
20
19
20
20
19
19
19
18
20
22
25

Feels Like (°C)

28
28
28
28
28
29
27
25
24
22
19
19
20
20
19
20
19
18
19
17
17
19
22
24

Dew Point (°C)

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

Relative Humidity (%)

48
48
50
55
61
68
73
75
74
72
68
64
61
61
60
59
58
57
55
53
54
57
53
46

Pressure (mb)

1016
1015
1015
1014
1014
1014
1014
1015
1015
1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016

Ozone (du)

258
259
258
257
256
256
255
254
253
254
256
257
257
256
256
256
256
256
255
254
254
255
254
254

Sunday 18

Waning Gibbous 65%

22:00

11:29

11 Good
12 Good
13 OK
14 Bad
15 OK
16 OK
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

Sun - Rise: 06:36, Set: 17:09, Transit: 11:52. Moon - Rise: 22:00, Set: 11:29. Civil Dark: 17:34 - 06:10. Nautical Dark: 18:03 - 05:41. Astro Dark: 18:32 - 05:13

Total Clouds (% Sky Obscured)

13
15
23
53
36
45
63
57
100
100
90
95
100
100
100
100
99
99
99
99
100
99
98
96

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
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
4
1
0
0
0
0
0

High Clouds (% Sky Obscured)

10
15
23
28
17
20
43
57
100
100
90
95
100
100
100
100
99
99
99
99
100
98
96
94

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)

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

Chance of Frost

Temperature (°C)

27
27
27
27
26
25
23
22
22
21
20
19
18
17
17
17
17
17
17
17
18
18
21
23

Feels Like (°C)

28
28
28
28
26
25
23
23
23
21
20
18
17
16
16
16
15
15
15
15
16
17
20
24

Dew Point (°C)

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

Relative Humidity (%)

42
41
42
46
53
63
66
69
70
70
69
65
62
58
55
55
55
55
55
55
57
59
57
51

Pressure (mb)

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

Ozone (du)

255
254
253
253
254
254
253
253
253
254
254
253
253
254
255
256
256
256
255
255
255
255
255
255

Monday 19

Waning Gibbous 54%

23:03

12:07

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
10 Bad

Sun - Rise: 06:36, Set: 17:08, Transit: 11:52. Moon - Rise: 23:03, Set: 12:07. Civil Dark: 17:34 - 06:11. Nautical Dark: 18:03 - 05:42. Astro Dark: 18:31 - 05:13

Total Clouds (% Sky Obscured)

98
58
97
100
100
68
80
98
100
72
70
68
73
93
95
97
98
100
97
94
90
85
80
74

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
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
1
3
8
11
6
3
0
0
0
0
0
0
0
0
0
0
6
14
20

High Clouds (% Sky Obscured)

96
58
97
100
100
68
80
98
100
72
70
65
73
89
95
97
98
100
97
94
90
85
80
74

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

26
27
29
27
27
27
27
25
23
22
22
22
21
20
18
17
17
17
17
18
18
18
21
22

Dew Point (°C)

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

Relative Humidity (%)

46
44
42
49
61
66
69
70
68
68
68
67
62
57
52
50
51
52
53
55
55
56
52
47

Pressure (mb)

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

Ozone (du)

255
255
255
255
255
256
256
257
257
257
259
259
259
260
260
260
260
259
259
260
262
263
264
264

Tuesday 20

Third Quarter 43%

00:06

12:42

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

Sun - Rise: 06:37, Set: 17:08, Transit: 11:52. Moon - Rise: 00:06, Set: 12:42. Civil Dark: 17:33 - 06:11. Nautical Dark: 18:02 - 05:42. Astro Dark: 18:31 - 05:14

Total Clouds (% Sky Obscured)

83
91
97
86
81
72
52
30
22
45
67
89
81
73
65
44
27
10
7
5
3
2
1
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
12
23
35
30
19
5
4
3
4
4
4
3
2
1
0

Medium Clouds (% Sky Obscured)

20
20
20
13
7
4
9
13
18
25
35
45
51
49
51
41
27
10
7
5
0
0
0
0

High Clouds (% Sky Obscured)

83
91
97
86
81
72
44
25
7
20
32
45
27
24
24
16
7
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
4
2
0
0
0
0
6
6
5
8
3
1
1
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)

3
3
3
4
3
2
2
1
4
6
9
13
18
19
21
26
23
19
14
10
11
10
9
10

Chance of Frost

Temperature (°C)

28
29
30
31
30
29
28
27
25
24
23
22
21
20
20
19
18
18
17
17
17
17
18
20

Feels Like (°C)

25
27
29
30
32
32
31
31
29
27
24
22
21
21
20
21
14
12
10
9
9
10
11
13

Dew Point (°C)

15
17
19
20
21
22
23
22
21
20
18
16
15
9
4
-2
-1
-1
-1
0
1
2
2
3

Relative Humidity (%)

44
47
50
54
60
66
74
75
76
77
73
69
67
49
35
24
26
28
30
33
35
37
34
31

Pressure (mb)

1005
1004
1003
1002
1002
1001
1001
1002
1003
1004
1006
1007
1009
1010
1010
1011
1013
1014
1016
1017
1018
1019
1020
1020

Ozone (du)

265
265
266
266
266
266
266
266
267
267
267
267
267
271
274
278
281
284
288
292
296
300
300
300

Wednesday 21

Waning Crescent 31%

01:10

13:14

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

Sun - Rise: 06:38, Set: 17:07, Transit: 11:52. Moon - Rise: 01:10, Set: 13:14. Civil Dark: 17:33 - 06:12. Nautical Dark: 18:02 - 05:43. Astro Dark: 18:31 - 05:14

Total Clouds (% Sky Obscured)

5
9
14
9
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

5
9
13
9
4
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
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

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 (%)

1
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)

11
11
11
12
10
9
8
6
5
5
5
5
6
5
5
6
6
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

29
31
32
34
38
40
45
46
48
49
49
49
49
47
46
45
45
45
44
47
49

Pressure (mb)

1020
1020
1020
1020
1020
1021
1022
1022
1023
1024
1024
1024
1024
1025
1025
1025
1025
1025
1026
1026
1027

Ozone (du)

300
300
300
299
300
301
303
302
302
301
301
301
301
297
294
291
290
289
288
288
288

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

Generated: 15/05/25 11:46:11. Forecast: 15/05/25 to 21/05/25. Timezone: UTC+2.00