Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 31

Waning Gibbous 95%

19:13

07:46

05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 OK
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

Sun - Rise: 06:41, Set: 17:23, Transit: 12:02. Moon - Rise: 19:13, Set: 07:46. Civil Dark: 17:48 - 06:16. Nautical Dark: 18:17 - 05:47. Astro Dark: 18:45 - 05:19

Total Clouds (% Sky Obscured)

59
73
79
75
44
10
46
86
63
56
55
57
61
70
69
70
81
75
78
88
65
59
62
65

Low Clouds (% Sky Obscured)

41
51
65
63
29
6
46
65
53
44
51
52
59
70
68
70
81
75
73
79
59
57
62
65

Medium Clouds (% Sky Obscured)

0
4
5
9
0
0
0
54
18
28
0
0
0
0
0
0
0
0
4
9
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 (%)

14
18
19
16
13
17
11
6
5
1
2
1
2
3
7
2
4
4
11
4
10
5
4
6

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
10
10
11
12
14
15
16
16
15
15
14
12
9
9
8
7
6
7
7
6
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
59
58
57
61
62
56
49
49
48
52
57
58
57
55
59
61
61
62
64
65
63
62
65

Pressure (mb)

1029
1030
1030
1031
1031
1032
1031
1031
1030
1029
1029
1029
1030
1030
1031
1031
1031
1031
1031
1031
1030
1030
1029
1029

Ozone (du)

261
264
267
268
272
272
269
268
267
266
266
268
270
274
278
282
285
288
291
294
292
289
288
286

Saturday 1

Waning Gibbous 89%

20:10

08:15

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

Sun - Rise: 06:40, Set: 17:23, Transit: 12:02. Moon - Rise: 20:10, 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)

45
22
17
21
36
50
57
66
60
81
64
59
54
41
26
7
0
6
0
0
0
2
7
36

Low Clouds (% Sky Obscured)

45
21
17
21
36
50
56
66
59
74
63
58
54
41
26
7
0
6
0
0
0
2
0
36

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
20
0
0
0
0
0
0
0
0
0
0
0
0
7
14

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
1
2

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 (%)

5
4
4
3
3
4
3
5
4
4
9
1
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
67
67
59
49
47
48
49
55
58
57
56
55
58
63
66
69
70
71
71
74
75
77
79

Pressure (mb)

1029
1029
1029
1030
1029
1029
1029
1028
1027
1026
1026
1026
1026
1026
1027
1027
1027
1027
1026
1026
1026
1025
1024
1024

Ozone (du)

286
287
290
292
292
289
289
290
290
288
288
288
289
290
290
291
291
293
294
293
292
290
288
286

Sunday 2

Waning Gibbous 81%

21:08

08:43

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

Sun - Rise: 06:39, Set: 17:24, Transit: 12:02. Moon - Rise: 21:08, Set: 08:43. Civil Dark: 17:49 - 06:14. Nautical Dark: 18:18 - 05:46. Astro Dark: 18:46 - 05:17

Total Clouds (% Sky Obscured)

34
46
32
43
43
55
63
49
50
34
32
24
34
31
55
46
42
13
27
11
3
0
0
0

Low Clouds (% Sky Obscured)

28
46
32
43
43
55
42
34
24
21
22
17
20
24
21
13
13
5
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

29
27
25
35
34
34
31
33
41
24
14
14
27
13
12
6
1
2
1
2
2
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
34
51
7
4
0
3
0
0
0
25
25
20
6
22
8
1
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 (%)

1
1
2
2
3
4
4
4
3
3
3
4
6
9
11
10
9
8
6
4
2
13
8
2

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
6
6
6
6
6
7
8
10
10
10
9
7
5
4
5
5
5
5
5
5
5
5
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
10
10
9
8
7
6
5
6
7
8
10
11
12
12
11
10
9
9
8
6
5
3
2

Relative Humidity (%)

80
80
80
69
58
47
39
35
36
39
44
51
63
71
72
71
67
66
66
63
59
54
49
46

Pressure (mb)

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

Ozone (du)

284
282
280
278
278
278
279
278
277
275
274
273
273
272
272
272
273
273
273
274
273
273
271
269

Monday 3

Waning Gibbous 72%

22:08

09:12

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 Bad
18 Bad
19 Bad
20 OK
21 OK
22 OK
23 OK
00 Good
01 Good
02 Good
03 Good
04 Good

Sun - Rise: 06:39, Set: 17:24, Transit: 12:02. Moon - Rise: 22:08, 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)

0
0
0
0
0
0
6
12
18
28
38
46
49
51
50
43
38
34
24
13
3
2
1
2

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
5
10
15
19
22
27
23
21
19
14
15
14
8
4
1
1
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
1

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 (%)

8
4
1
11
5
1
5
2
0
0
0
0
1
1
0
2
3
1
3
3
0
3
2
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
6
6
5
4
2
4
5
7
8
7
6
5
3
3
4
4
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
13
13
15
18
21
22
21
21
21
22
21
21
20
19
18
17
16
15
16
15
14
14
13

Dew Point (°C)

2
2
2
2
1
0
1
2
4
6
8
10
12
13
13
11
10
8
7
6
5
4
3
2

Relative Humidity (%)

44
44
43
38
30
25
24
25
29
34
40
47
59
70
72
68
64
60
56
54
51
46
44
42

Pressure (mb)

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

Ozone (du)

267
266
266
264
263
262
260
258
258
257
257
256
255
255
254
254
255
255
255
255
254
253
253
253

Tuesday 4

Waning Gibbous 61%

23:10

09:42

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
18 OK
19 OK
20 OK
21 OK
22 OK
23 OK
00 OK
01 OK
02 OK
03 OK
04 OK

Sun - Rise: 06:38, Set: 17:25, Transit: 12:02. Moon - Rise: 23:10, Set: 09:42. Civil Dark: 17:50 - 06:13. Nautical Dark: 18:19 - 05:44. Astro Dark: 18:47 - 05:16

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
6
12
19
21
24
25
30
33
34
31
32
33
31
29
27
26
22
19

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
5
9
15
19
22
21
26
28
28
31
32
30
29
24
23
20
16
13

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 (%)

1
0
0
0
0
0
0
0
0
0
0
0
0
2
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
5
5
4
2
3
5
6
8
8
7
7
6
5
4
3
3
3
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

14
14
14
16
19
21
23
23
23
24
23
23
21
20
19
19
18
18
18
17
17
16
16
16

Feels Like (°C)

13
13
13
16
19
20
22
22
22
22
22
22
22
21
20
20
20
20
19
19
19
19
16
15

Dew Point (°C)

1
1
1
1
-1
-1
0
2
4
6
7
8
12
14
14
12
10
8
5
4
2
0
-1
-2

Relative Humidity (%)

41
40
39
34
27
24
22
24
28
32
35
40
57
71
72
66
58
51
43
39
36
33
32
30

Pressure (mb)

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

Ozone (du)

254
255
254
254
253
252
253
254
256
256
258
258
258
258
261
263
263
263
263
264
265
265
267
269

Wednesday 5

Waning Gibbous 58%

00:15

10:16

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
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good

Sun - Rise: 06:37, Set: 17:26, Transit: 12:01. Moon - Rise: 00:15, 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)

13
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

10
5
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
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
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
5
5
5
2
1
3
5
6
7
5
4
3
2
2
3
4
4
4
5
5
5
5
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
14
14
13
17
18
19
20
22
24
25
24
23
23
21
21
18
18
18
18
18
18
16
16

Dew Point (°C)

-3
-3
-3
-3
-2
-2
-1
2
5
8
10
11
13
13
12
12
9
7
5
3
2
1
0
-1

Relative Humidity (%)

29
28
27
26
22
20
17
22
27
34
41
49
59
62
63
67
58
50
44
40
37
35
33
31

Pressure (mb)

1018
1019
1019
1019
1019
1019
1019
1018
1018
1017
1017
1017
1017
1017
1017
1018
1017
1017
1017
1016
1016
1015
1015
1015

Ozone (du)

270
272
273
275
274
273
272
271
271
271
270
270
270
270
270
270
271
271
272
272
272
273
272
272

Thursday 6

Third Quarter 50%

01:24

10:55

05 Good
06 Good
07 Good
08 Good
09 OK
10 OK
11 OK
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

Sun - Rise: 06:36, Set: 17:26, Transit: 12:01. Moon - Rise: 01:24, Set: 10:55. Civil Dark: 17:51 - 06:12. Nautical Dark: 18:20 - 05:43. Astro Dark: 18:48 - 05:15

Total Clouds (% Sky Obscured)

0
0
0
3
5
9
19
27
36
39
41
43
43
45
50
62
69
80
84
87
91

Low Clouds (% Sky Obscured)

0
0
0
3
5
9
19
27
36
35
27
19
20
20
20
36
47
63
71
80
86

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
1
2
4
5
7
9
11
13
17
16
15

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
8

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 (%)

0
2
1
8
17
8
15
22
16
7
9
5
13
17
16
21
29
30
26
36
40

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-2
3
8
12
14
16
18
17
15
14
14
13
13
13
13
13
14
14
14
13
13

Relative Humidity (%)

29
39
51
66
65
63
62
60
58
56
58
59
61
65
69
71
72
73
74
74
74

Pressure (mb)

1015
1016
1018
1019
1020
1021
1022
1022
1023
1023
1025
1026
1027
1028
1029
1030
1031
1032
1032
1032
1032

Ozone (du)

271
272
273
274
273
272
272
271
271
270
269
269
268
267
267
266
266
266
267
268
268

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

Generated: 31/07/26 05:02:56. Forecast: 31/07/26 to 06/08/26. Timezone: UTC+2.00