Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 7

Waning Gibbous 89%

18:22

09:26

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 06:38, Set: 16:51, Transit: 11:45. Moon - Rise: 18:22, Set: 09:26. Civil Dark: 17:20 - 06:10. Nautical Dark: 17:52 - 05:37. Astro Dark: 18:24 - 05:06

Total Clouds (% Sky Obscured)

80
85
84
56
100
100
93
58
57
76
68
54
100
100
100
100
100
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
12
51
64
76
81
95
93

Medium Clouds (% Sky Obscured)

8
2
19
3
0
0
0
0
2
9
5
15
13
100
100
100
100
96
99
100
100
100
100
100

High Clouds (% Sky Obscured)

80
29
43
56
100
100
93
52
54
74
64
45
100
100
100
100
97
93
100
99
100
99
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
7
2
2
3
3

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
Light Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
9
29
69
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2.1
3
3.1
2
0.6

Wind Speed/Direction (mph)

3
3
3
3
5
6
8
11
13
15
15
15
16
15
13
13
13
13
13
12
11
11
11
10

Chance of Frost

Temperature (°C)

4
4
4
4
5
6
8
11
13
15
16
16
16
15
14
14
14
14
14
14
13
13
13
13

Feels Like (°C)

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

Dew Point (°C)

-7
-7
-7
-7
-5
-4
-3
-1
0
1
0
1
1
2
2
2
4
7
8
9
11
12
12
12

Relative Humidity (%)

47
46
46
47
49
49
46
44
41
38
34
34
37
41
43
45
51
63
69
73
84
92
93
93

Pressure (mb)

1021
1020
1020
1019
1019
1019
1018
1017
1016
1014
1012
1011
1009
1008
1008
1008
1007
1007
1007
1006
1006
1006
1005
1005

Ozone (du)

274
271
270
267
267
269
270
269
269
268
267
265
264
262
263
264
263
264
266
265
265
267
268
270

Saturday 8

Waning Gibbous 86%

19:28

10:36

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

Sun - Rise: 06:39, Set: 16:50, Transit: 11:45. Moon - Rise: 19:28, Set: 10:36. Civil Dark: 17:19 - 06:11. Nautical Dark: 17:51 - 05:38. Astro Dark: 18:23 - 05:07

Total Clouds (% Sky Obscured)

100
95
65
41
1
2
6
12
9
10
3
0
0
4
31
42
40
56
28
39
70
67
65
60

Low Clouds (% Sky Obscured)

83
65
51
26
0
2
6
12
9
10
3
0
0
0
0
0
0
2
2
1
51
27
20
1

Medium Clouds (% Sky Obscured)

88
75
65
4
1
0
0
0
0
0
0
0
0
0
0
3
27
24
26
25
22
24
16
26

High Clouds (% Sky Obscured)

100
84
35
17
0
0
0
0
0
0
0
0
0
3
31
33
24
48
0
0
0
0
14
33

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 (%)

25
7
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)

9
8
7
6
6
7
10
10
10
9
8
8
7
6
4
3
3
4
4
4
5
6
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
12
11
11
11
10
7
6
5
4
4
4
4
5
4
5
4
4
4
4
4
3
3

Relative Humidity (%)

93
93
93
92
95
87
79
61
53
46
42
40
41
44
51
54
57
58
58
59
60
61
60
59

Pressure (mb)

1005
1005
1006
1007
1008
1009
1009
1010
1010
1010
1010
1010
1010
1011
1012
1013
1013
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

274
274
276
280
286
288
289
289
285
279
277
278
278
276
276
277
277
277
275
274
273
272
270
268

Sunday 9

Waning Gibbous 80%

20:41

11:33

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 06:40, Set: 16:49, Transit: 11:45. Moon - Rise: 20:41, Set: 11:33. Civil Dark: 17:18 - 06:12. Nautical Dark: 17:50 - 05:39. Astro Dark: 18:22 - 05:08

Total Clouds (% Sky Obscured)

53
74
98
100
100
100
100
100
100
100
100
100
100
97
92
93
94
94
93
95
98
100
100
100

Low Clouds (% Sky Obscured)

0
0
41
56
56
52
91
100
100
100
100
100
100
94
90
79
70
62
61
70
77
84
70
66

Medium Clouds (% Sky Obscured)

40
52
80
93
100
100
99
93
63
57
44
40
30
19
24
81
93
94
93
95
98
99
100
100

High Clouds (% Sky Obscured)

20
25
35
100
100
100
100
100
100
100
100
100
100
14
5
2
10
7
10
37
68
100
67
33

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
8
5
6
9
9
9
9
9
9
9
5
4
2
5
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
2
45
75
95
95
87
95
78
75
42
20
16
0
1
1
5
39
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0.3
0.4
1
0.7
0.3
0.5
0.4
0.5
0
0
0
0
0
0
0
0
1.4
3.2
1.2
0.4
0.4

Wind Speed/Direction (mph)

4
4
5
5
5
6
7
6
10
9
8
7
6
4
3
3
2
3
3
3
7
11
10
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
7
7
8
9
10
11
11
13
14
14
15
15
16
15
15
14
14
13
13
12
9
8
8

Dew Point (°C)

4
4
5
6
8
8
9
10
9
11
12
13
14
14
14
13
13
13
12
12
12
10
9
9

Relative Humidity (%)

65
69
74
80
81
81
80
83
70
74
86
92
93
95
95
96
96
96
95
93
93
90
88
87

Pressure (mb)

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

Ozone (du)

268
270
271
272
271
271
273
272
272
271
270
269
270
270
269
267
266
265
264
266
266
265
266
267

Monday 10

Waning Gibbous 70%

21:54

12:18

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 OK
19 OK
20 OK
21 Bad
22 OK
23 OK
00 Good
01 Good
02 OK

Sun - Rise: 06:41, Set: 16:48, Transit: 11:45. Moon - Rise: 21:54, Set: 12:18. Civil Dark: 17:17 - 06:13. Nautical Dark: 17:50 - 05:40. Astro Dark: 18:21 - 05:09

Total Clouds (% Sky Obscured)

100
95
92
89
93
90
52
49
51
55
73
69
65
46
57
34
40
43
50
33
18
1
7
14

Low Clouds (% Sky Obscured)

62
58
52
50
59
26
27
31
43
54
65
64
61
46
51
34
40
43
50
33
18
0
0
0

Medium Clouds (% Sky Obscured)

100
95
92
87
82
80
28
31
18
20
16
8
0
1
0
0
0
0
0
0
0
0
7
14

High Clouds (% Sky Obscured)

0
0
5
0
0
0
0
0
0
0
0
0
14
5
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
5
3
8
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

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

Precipitation Probability (%)

95
95
95
65
38
25
2
2
2
0
2
1
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

1.1
1.3
1
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
9
9
7
6
6
7
7
8
9
10
9
9
8
7
6
5
4
3
3
2
1
1
0

Feels Like (°C)

7
7
6
3
2
2
2
4
4
5
6
4
3
3
3
1
1
-1
-1
-2
-2
-3
-3
-4

Dew Point (°C)

8
8
7
5
4
3
2
1
-0
-2
-3
-4
-6
-7
-7
-7
-9
-8
-8
-7
-7
-7
-7
-7

Relative Humidity (%)

87
88
88
85
82
81
72
64
55
48
42
38
35
35
37
37
36
40
44
49
51
53
55
58

Pressure (mb)

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

Ozone (du)

270
272
275
277
281
284
287
289
293
296
301
305
309
313
318
328
333
334
335
334
336
341
349
356

Tuesday 11

Waning Gibbous 59%

23:05

12:52

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

Sun - Rise: 06:43, Set: 16:48, Transit: 11:45. Moon - Rise: 23:05, Set: 12:52. Civil Dark: 17:16 - 06:14. Nautical Dark: 17:49 - 05:41. Astro Dark: 18:21 - 05:10

Total Clouds (% Sky Obscured)

19
29
35
34
23
17
9
9
11
9
7
8
11
15
17
20
42
67
89
86
84
83
82
77

Low Clouds (% Sky Obscured)

0
0
0
0
9
17
9
9
11
9
7
8
11
15
17
20
10
5
1
7
13
19
12
6

Medium Clouds (% Sky Obscured)

19
27
32
34
23
17
9
9
11
9
0
0
0
3
4
2
15
28
43
61
62
60
61
60

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
1
2
6
10
13
26
14
11
22
44
66
44
22

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)

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

Chance of Frost

Temperature (°C)

0
-0
-0
-1
-1
0
2
3
5
6
6
7
7
7
6
6
5
5
5
5
5
5
5
5

Feels Like (°C)

-3
-4
-3
-4
-4
-4
-2
-1
1
2
2
2
2
2
3
2
3
1
2
2
1
1
1
1

Dew Point (°C)

-7
-7
-7
-9
-9
-9
-8
-8
-7
-8
-8
-8
-9
-9
-9
-9
-9
-9
-8
-7
-6
-6
-5
-5

Relative Humidity (%)

59
62
59
54
53
48
48
45
42
38
35
33
32
31
32
33
34
36
39
42
43
45
47
49

Pressure (mb)

1012
1012
1012
1013
1014
1014
1014
1014
1014
1013
1013
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1013
1012
1011

Ozone (du)

362
368
375
374
369
367
369
370
367
368
363
360
358
355
353
350
348
342
336
331
328
326
324
320

Wednesday 12

Third Quarter 48%

00:13

13:19

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

Sun - Rise: 06:44, Set: 16:47, Transit: 11:45. Moon - Rise: 00:13, Set: 13:19. Civil Dark: 17:15 - 06:15. Nautical Dark: 17:48 - 05:42. Astro Dark: 18:20 - 05:11

Total Clouds (% Sky Obscured)

63
71
86
100
96
93
89
77
51
31
31
42
59
64
67
69
46
24
5
25
48
66
77
84

Low Clouds (% Sky Obscured)

0
8
15
23
37
50
64
63
51
31
28
12
1
18
42
66
44
23
2
5
5
11
18
31

Medium Clouds (% Sky Obscured)

60
54
50
47
59
71
83
33
2
0
19
39
58
60
63
65
43
22
3
7
7
12
11
10

High Clouds (% Sky Obscured)

0
33
67
100
67
33
13
14
12
4
5
5
5
4
3
2
1
0
0
5
4
6
4
4

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
11
14
15
12
9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

5
6
5
5
5
6
8
9
10
12
13
13
14
14
13
12
12
12
11
11
11
11
11
10

Feels Like (°C)

0
0
-0
-0
0
0
1
2
2
3
4
9
9
9
9
9
8
8
8
8
8
8
9
6

Dew Point (°C)

-5
-4
-5
-5
-5
-5
-5
-4
-3
-3
-2
-1
0
1
1
1
1
1
1
0
1
1
1
1

Relative Humidity (%)

49
50
49
48
48
45
42
39
39
37
36
38
40
41
43
44
46
46
47
47
49
49
52
54

Pressure (mb)

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

Ozone (du)

316
313
310
307
304
302
300
298
297
297
296
294
293
291
292
292
293
292
291
291
289
287
285
284

Thursday 13

Waning Crescent 37%

01:17

13:43

Sun - Rise: 06:45, Set: 16:46, Transit: 11:45. Moon - Rise: 01:17, Set: 13:43. Civil Dark: 17:15 - 06:16. Nautical Dark: 17:47 - 05:43. Astro Dark: 18:19 - 05:11

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Swarthmore, Delaware, United States of America (39.90,-75.35)

Generated: 07/11/25 03:25:45. Forecast: 07/11/25 to 13/11/25. Timezone: UTC-5.00