Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 31

Waning Gibbous 95%

19:13

08:15

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

Sun - Rise: 06:40, Set: 17:23, Transit: 12:02. Moon - Rise: 19:13, Set: 08:15. Civil Dark: 17:48 - 06:15. Nautical Dark: 18:17 - 05:46. Astro Dark: 18:45 - 05:18

Total Clouds (% Sky Obscured)

78
79
71
84
90
91
60
68
85
71
54
45
47
17
18
36
60
83
98
70
73
49
39
37

Low Clouds (% Sky Obscured)

66
73
63
78
81
81
54
66
84
66
47
44
47
17
18
36
60
74
94
56
66
49
39
37

Medium Clouds (% Sky Obscured)

0
3
26
36
41
19
0
0
0
0
0
0
0
0
0
0
0
25
34
36
29
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 (%)

2
9
11
18
17
13
10
5
7
5
4
4
4
4
6
5
6
5
5
4
3
2
1
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)

10
9
8
7
6
6
6
7
6
6
6
6
6
6
6
8
10
11
13
13
13
14
13
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
54
62
67
68
67
69
69
66
63
61
61
64
64
59
49
47
49
55
58
55
54
59
61

Pressure (mb)

1030
1031
1031
1031
1031
1031
1031
1030
1030
1029
1029
1029
1029
1029
1029
1029
1029
1028
1028
1027
1026
1026
1026
1026

Ozone (du)

279
280
283
285
289
292
295
294
294
291
287
289
291
288
288
288
291
293
292
291
291
292
292
292

Saturday 1

Waning Gibbous 89%

20:10

08:43

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

Sun - Rise: 06:39, Set: 17:24, Transit: 12:02. Moon - Rise: 20:10, Set: 08:43. Civil Dark: 17:49 - 06:14. Nautical Dark: 18:17 - 05:46. Astro Dark: 18:45 - 05:17

Total Clouds (% Sky Obscured)

7
21
30
14
0
0
2
20
26
27
30
51
47
48
51
44
48
52
55
55
59
80
100
94

Low Clouds (% Sky Obscured)

7
21
30
14
0
0
2
7
23
20
28
36
42
48
51
44
48
51
55
55
52
40
36
41

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
11
5
6
11
35
24
22
31
24
23
22
24
28
25
32
25
35

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
5
5
5
2
1
0
4
3
38
55
55
57
75
100
79

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
1
0
0
0
0
0
0
0
0
0
0
1
3
3
5
6
7
7
7
7
7
8
10

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
9
9
10
9
9
9
9
9
9
9
9
10
9
9
7
6
7
8
9
11
12
13
14

Relative Humidity (%)

63
65
68
71
69
70
71
73
74
76
77
79
78
76
66
51
41
42
44
46
52
59
65
72

Pressure (mb)

1026
1027
1027
1027
1027
1026
1026
1025
1025
1024
1024
1024
1024
1024
1025
1025
1024
1023
1023
1021
1021
1021
1021
1021

Ozone (du)

293
291
289
289
290
290
289
289
290
289
287
287
286
284
283
282
282
281
279
276
274
273
272
272

Sunday 2

Waning Gibbous 81%

21:08

09:12

18 Bad
19 Bad
20 Bad
21 OK
22 OK
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

Sun - Rise: 06:39, Set: 17:24, Transit: 12:02. Moon - Rise: 21:08, Set: 09:12. Civil Dark: 17:49 - 06:14. Nautical Dark: 18:18 - 05:45. Astro Dark: 18:46 - 05:17

Total Clouds (% Sky Obscured)

68
48
43
36
21
4
1
0
0
0
0
0
0
0
0
0
7
0
7
15
20
25
30
31

Low Clouds (% Sky Obscured)

37
32
33
25
10
0
0
0
0
0
0
0
0
0
0
0
7
0
7
15
20
25
30
31

Medium Clouds (% Sky Obscured)

28
26
23
27
17
4
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

35
13
6
5
2
1
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
1
2
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 (%)

13
14
15
14
9
6
4
3
1
2
1
1
1
1
1
1
1
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)

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

Chance of Frost

Temperature (°C)

18
18
17
17
16
16
16
15
15
15
14
14
14
14
16
19
21
22
23
23
22
22
21
20

Feels Like (°C)

17
17
17
17
17
17
16
16
15
15
15
14
14
14
16
19
22
24
23
23
22
22
22
22

Dew Point (°C)

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

Relative Humidity (%)

80
82
83
83
82
82
79
78
79
78
76
74
73
70
59
48
43
42
42
46
54
60
65
72

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1021
1021
1020
1020
1020
1021
1021
1021
1021
1021
1021
1020
1019
1019
1019
1019
1020

Ozone (du)

271
271
272
272
272
273
275
275
277
277
276
274
272
271
270
268
266
264
263
262
260
259
258
258

Monday 3

Waning Gibbous 72%

22:08

09:42

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

Sun - Rise: 06:38, Set: 17:25, Transit: 12:02. Moon - Rise: 22:08, Set: 09:42. Civil Dark: 17:50 - 06:13. Nautical Dark: 18:18 - 05:44. Astro Dark: 18:46 - 05:16

Total Clouds (% Sky Obscured)

32
33
33
30
30
29
28
24
24
24
21
15
8
1
0
0
0
7
14
20
23
24
24
25

Low Clouds (% Sky Obscured)

29
30
30
30
28
27
22
19
16
14
12
7
3
0
0
0
0
2
5
7
8
6
9
11

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
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
3
5
1
4
2
0
2
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)

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

Chance of Frost

Temperature (°C)

19
18
17
17
17
16
15
15
15
14
14
14
14
14
16
19
21
23
23
23
23
23
22
21

Feels Like (°C)

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

Dew Point (°C)

16
16
15
14
14
13
12
12
11
9
6
4
3
2
2
1
1
2
3
6
8
9
10
13

Relative Humidity (%)

82
86
86
85
85
83
80
79
76
69
59
51
47
43
38
29
26
25
27
31
38
42
45
60

Pressure (mb)

1021
1021
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1022
1022
1022
1022
1022
1021
1021
1020
1019
1019
1019
1019

Ozone (du)

258
256
256
256
255
255
254
254
253
252
252
252
253
253
253
254
255
255
256
258
259
260
261
263

Tuesday 4

Waning Gibbous 61%

23:10

10:16

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

Sun - Rise: 06:37, Set: 17:26, Transit: 12:01. Moon - Rise: 23:10, Set: 10:16. Civil Dark: 17:51 - 06:12. Nautical Dark: 18:19 - 05:44. Astro Dark: 18:47 - 05:16

Total Clouds (% Sky Obscured)

28
29
33
37
39
37
34
31
21
10
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

11
15
24
27
31
29
27
27
19
10
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
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
0
0
1
2
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
3
3
3
4
4
4
4
5
5
5
5
5
5
3
2
4
4
5
6
5
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
21
20
19
19
18
16
16
15
14
14
13
13
13
15
17
19
20
22
23
25
25
25
23

Dew Point (°C)

15
15
13
11
9
7
5
3
1
-0
-1
-1
-1
-2
-1
0
1
1
3
6
8
9
10
10

Relative Humidity (%)

75
75
69
63
56
50
45
41
37
34
33
33
33
32
29
25
22
20
23
27
32
36
42
48

Pressure (mb)

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

Ozone (du)

264
264
264
265
266
266
268
268
269
271
271
272
273
273
272
272
271
271
271
271
271
270
270
270

Wednesday 5

Waning Gibbous 50%

00:15

10:55

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
08 Good
09 OK
10 OK
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 06:36, Set: 17:26, Transit: 12:01. Moon - Rise: 00:15, Set: 10:55. Civil Dark: 17:51 - 06:12. Nautical Dark: 18:19 - 05:43. Astro Dark: 18:47 - 05:15

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
12
25
37
46
51
54
61
68
76
82

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
10
20
32
37
39
36
44
50
59
69

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
6
6

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
8
8

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
3
9
5
12
20
27
22

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
2
3
4
4
5
5
5
5
5
6
6
5
6
7
9
13
18
18
19
19
18
17
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
8
7
6
5
4
3
2
1
0
-1
-1
3
7
10
12
13
15
15
15
16
16
16
16

Relative Humidity (%)

47
48
47
45
43
40
37
35
32
31
30
28
35
44
54
55
55
57
60
62
66
69
71
75

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1018
1019
1020
1021
1022
1023
1024
1025
1025
1026
1027
1029

Ozone (du)

270
270
271
270
270
270
270
270
270
270
270
270
271
271
272
271
271
271
271
270
270
269
268
267

Thursday 6

Third Quarter 38%

01:24

11:42

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 OK
08 OK
09 OK
10 Good
11 OK
12 Good
13 Good

Sun - Rise: 06:36, Set: 17:27, Transit: 12:01. Moon - Rise: 01:24, Set: 11:42. Civil Dark: 17:52 - 06:11. Nautical Dark: 18:20 - 05:42. Astro Dark: 18:48 - 05:14

Total Clouds (% Sky Obscured)

88
94
90
86
77
75
73
69
71
75
80
64
51
42
35
24
16
13
11
8

Low Clouds (% Sky Obscured)

79
88
78
68
54
54
54
55
55
58
62
47
31
16
15
7
5
4
3
3

Medium Clouds (% Sky Obscured)

10
9
15
18
15
10
10
10
10
10
10
12
10
8
5
3
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

ISS Passover

Visibility (miles)

8
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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

34
46
30
27
25
21
26
19
25
25
12
21
18
6
12
7
2
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
0

Wind Speed/Direction (mph)

14
13
11
9
7
5
5
5
4
3
3
2
3
4
4
5
8
11
12
14

Chance of Frost

Temperature (°C)

20
20
19
19
18
18
17
17
17
17
17
17
17
17
18
19
21
22
23
23

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
72
70
72
74
77
77
76
76
74
74
73
72
68
67
61
56
51
52
53

Pressure (mb)

1030
1031
1032
1032
1032
1033
1033
1032
1032
1032
1032
1032
1032
1032
1033
1032
1032
1031
1030
1028

Ozone (du)

268
268
269
269
269
269
269
269
269
271
272
273
273
274
275
275
276
276
276
275

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

Generated: 31/07/26 17:51:41. Forecast: 31/07/26 to 06/08/26. Timezone: UTC+2.00